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Copy path055-Pattern-Programs.py
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5976 lines (4723 loc) · 213 KB
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"""
===============================================================================
Pattern Programs
===============================================================================
Program Description:
--------------------
This file contains the most important Python pattern programs.
The patterns included in this file are:
• Basic Patterns
• Star Patterns
• Number Patterns
• Alphabet Patterns
• Interview Pattern Programs
Each pattern is written in a beginner-friendly manner with proper comments,
clear variable names, and expected output.
Author : Shaik Mahaboob Basha
Repository : 13-Python
File Name : 55-Pattern-Programs.py
===============================================================================
"""
# =============================================================================
# Pattern 1 : Square Star Pattern
# =============================================================================
# -----------------------------------------------------------------------------
# Displaying the pattern name.
# -----------------------------------------------------------------------------
print("Pattern 1 : Square Star Pattern")
# Output:
# Pattern 1 : Square Star Pattern
# -----------------------------------------------------------------------------
# Using the outer loop for rows.
# -----------------------------------------------------------------------------
for row in range(5):
# -------------------------------------------------------------------------
# Using the inner loop for columns.
# -------------------------------------------------------------------------
for column in range(5):
print("*", end=" ")
# -------------------------------------------------------------------------
# Moving to the next line.
# -------------------------------------------------------------------------
print()
# Output:
# * * * * *
# * * * * *
# * * * * *
# * * * * *
# * * * * *
print()
# =============================================================================
# Pattern 2 : Hollow Square Pattern
# =============================================================================
# -----------------------------------------------------------------------------
# Displaying the pattern name.
# -----------------------------------------------------------------------------
print("Pattern 2 : Hollow Square Pattern")
# Output:
# Pattern 2 : Hollow Square Pattern
# -----------------------------------------------------------------------------
# Using the outer loop for rows.
# -----------------------------------------------------------------------------
for row in range(5):
# -------------------------------------------------------------------------
# Using the inner loop for columns.
# -------------------------------------------------------------------------
for column in range(5):
# ---------------------------------------------------------------------
# Printing star for border positions.
# ---------------------------------------------------------------------
if row == 0 or row == 4 or column == 0 or column == 4:
print("*", end=" ")
# ---------------------------------------------------------------------
# Printing space for inner positions.
# ---------------------------------------------------------------------
else:
print(" ", end=" ")
# -------------------------------------------------------------------------
# Moving to the next line.
# -------------------------------------------------------------------------
print()
# Output:
# * * * * *
# * *
# * *
# * *
# * * * * *
print()
# =============================================================================
# Pattern 3 : Left Half Pyramid
# =============================================================================
# -----------------------------------------------------------------------------
# Displaying the pattern name.
# -----------------------------------------------------------------------------
print("Pattern 3 : Left Half Pyramid")
# Output:
# Pattern 3 : Left Half Pyramid
# -----------------------------------------------------------------------------
# Using the outer loop for rows.
# -----------------------------------------------------------------------------
for row in range(1, 6):
# -------------------------------------------------------------------------
# Printing stars.
# -------------------------------------------------------------------------
for column in range(row):
print("*", end=" ")
# -------------------------------------------------------------------------
# Moving to the next line.
# -------------------------------------------------------------------------
print()
# Output:
# *
# * *
# * * *
# * * * *
# * * * * *
print()
# =============================================================================
# Pattern 4 : Inverted Left Half Pyramid
# =============================================================================
# -----------------------------------------------------------------------------
# Displaying the pattern name.
# -----------------------------------------------------------------------------
print("Pattern 4 : Inverted Left Half Pyramid")
# Output:
# Pattern 4 : Inverted Left Half Pyramid
# -----------------------------------------------------------------------------
# Using the outer loop for rows.
# -----------------------------------------------------------------------------
for row in range(5, 0, -1):
# -------------------------------------------------------------------------
# Printing stars.
# -------------------------------------------------------------------------
for column in range(row):
print("*", end=" ")
# -------------------------------------------------------------------------
# Moving to the next line.
# -------------------------------------------------------------------------
print()
# Output:
# * * * * *
# * * * *
# * * *
# * *
# *
print()
# =============================================================================
# Pattern 5 : Right Half Pyramid
# =============================================================================
# -----------------------------------------------------------------------------
# Displaying the pattern name.
# -----------------------------------------------------------------------------
print("Pattern 5 : Right Half Pyramid")
# Output:
# Pattern 5 : Right Half Pyramid
# -----------------------------------------------------------------------------
# Using the outer loop for rows.
# -----------------------------------------------------------------------------
for row in range(1, 6):
# -------------------------------------------------------------------------
# Printing leading spaces.
# -------------------------------------------------------------------------
for space in range(5 - row):
print(" ", end=" ")
# -------------------------------------------------------------------------
# Printing stars.
# -------------------------------------------------------------------------
for star in range(row):
print("*", end=" ")
# -------------------------------------------------------------------------
# Moving to the next line.
# -------------------------------------------------------------------------
print()
# Output:
# *
# * *
# * * *
# * * * *
# * * * * *
print()
# =============================================================================
# Pattern 6 : Inverted Right Half Pyramid
# =============================================================================
# -----------------------------------------------------------------------------
# Displaying the pattern name.
# -----------------------------------------------------------------------------
print("Pattern 6 : Inverted Right Half Pyramid")
# Output:
# Pattern 6 : Inverted Right Half Pyramid
# -----------------------------------------------------------------------------
# Using the outer loop for rows.
# -----------------------------------------------------------------------------
for row in range(5, 0, -1):
# -------------------------------------------------------------------------
# Printing leading spaces.
# -------------------------------------------------------------------------
for space in range(5 - row):
print(" ", end=" ")
# -------------------------------------------------------------------------
# Printing stars.
# -------------------------------------------------------------------------
for star in range(row):
print("*", end=" ")
# -------------------------------------------------------------------------
# Moving to the next line.
# -------------------------------------------------------------------------
print()
# Output:
# * * * * *
# * * * *
# * * *
# * *
# *
print()
# =============================================================================
# Pattern 7 : Full Pyramid
# =============================================================================
# -----------------------------------------------------------------------------
# Displaying the pattern name.
# -----------------------------------------------------------------------------
print("Pattern 7 : Full Pyramid")
# Output:
# Pattern 7 : Full Pyramid
# -----------------------------------------------------------------------------
# Using the outer loop for rows.
# -----------------------------------------------------------------------------
for row in range(1, 6):
# -------------------------------------------------------------------------
# Printing leading spaces.
# -------------------------------------------------------------------------
for space in range(5 - row):
print(" ", end=" ")
# -------------------------------------------------------------------------
# Printing stars.
# -------------------------------------------------------------------------
for star in range((2 * row) - 1):
print("*", end=" ")
# -------------------------------------------------------------------------
# Moving to the next line.
# -------------------------------------------------------------------------
print()
# Output:
# *
# * * *
# * * * * *
# * * * * * * *
# * * * * * * * * *
print()
# =============================================================================
# Pattern 8 : Inverted Full Pyramid
# =============================================================================
# -----------------------------------------------------------------------------
# Displaying the pattern name.
# -----------------------------------------------------------------------------
print("Pattern 8 : Inverted Full Pyramid")
# Output:
# Pattern 8 : Inverted Full Pyramid
# -----------------------------------------------------------------------------
# Using the outer loop for rows.
# -----------------------------------------------------------------------------
for row in range(5, 0, -1):
# -------------------------------------------------------------------------
# Printing leading spaces.
# -------------------------------------------------------------------------
for space in range(5 - row):
print(" ", end=" ")
# -------------------------------------------------------------------------
# Printing stars.
# -------------------------------------------------------------------------
for star in range((2 * row) - 1):
print("*", end=" ")
# -------------------------------------------------------------------------
# Moving to the next line.
# -------------------------------------------------------------------------
print()
# Output:
# * * * * * * * * *
# * * * * * * *
# * * * * *
# * * *
# *
print()
# =============================================================================
# Pattern 9 : Diamond Star Pattern
# =============================================================================
# -----------------------------------------------------------------------------
# Displaying the pattern name.
# -----------------------------------------------------------------------------
print("Pattern 9 : Diamond Star Pattern")
# Output:
# Pattern 9 : Diamond Star Pattern
# -----------------------------------------------------------------------------
# Using the outer loop to print the upper half.
# -----------------------------------------------------------------------------
for row in range(1, 6):
# -------------------------------------------------------------------------
# Printing leading spaces.
# -------------------------------------------------------------------------
for space in range(5 - row):
print(" ", end=" ")
# -------------------------------------------------------------------------
# Printing stars.
# -------------------------------------------------------------------------
for star in range((2 * row) - 1):
print("*", end=" ")
# -------------------------------------------------------------------------
# Moving to the next line.
# -------------------------------------------------------------------------
print()
# -----------------------------------------------------------------------------
# Using the outer loop to print the lower half.
# -----------------------------------------------------------------------------
for row in range(4, 0, -1):
# -------------------------------------------------------------------------
# Printing leading spaces.
# -------------------------------------------------------------------------
for space in range(5 - row):
print(" ", end=" ")
# -------------------------------------------------------------------------
# Printing stars.
# -------------------------------------------------------------------------
for star in range((2 * row) - 1):
print("*", end=" ")
# -------------------------------------------------------------------------
# Moving to the next line.
# -------------------------------------------------------------------------
print()
# Output:
# *
# * * *
# * * * * *
# * * * * * * *
# * * * * * * * * *
# * * * * * * *
# * * * * *
# * * *
# *
print()
# =============================================================================
# Pattern 10 : Hollow Diamond Pattern
# =============================================================================
# -----------------------------------------------------------------------------
# Displaying the pattern name.
# -----------------------------------------------------------------------------
print("Pattern 10 : Hollow Diamond Pattern")
# Output:
# Pattern 10 : Hollow Diamond Pattern
# -----------------------------------------------------------------------------
# Using the outer loop to print the upper half.
# -----------------------------------------------------------------------------
for row in range(1, 6):
# -------------------------------------------------------------------------
# Printing leading spaces.
# -------------------------------------------------------------------------
for space in range(5 - row):
print(" ", end=" ")
# -------------------------------------------------------------------------
# Printing stars and inner spaces.
# -------------------------------------------------------------------------
for column in range((2 * row) - 1):
# ---------------------------------------------------------------------
# Printing stars on the border.
# ---------------------------------------------------------------------
if column == 0 or column == (2 * row) - 2:
print("*", end=" ")
# ---------------------------------------------------------------------
# Printing spaces inside the pattern.
# ---------------------------------------------------------------------
else:
print(" ", end=" ")
# -------------------------------------------------------------------------
# Moving to the next line.
# -------------------------------------------------------------------------
print()
# -----------------------------------------------------------------------------
# Using the outer loop to print the lower half.
# -----------------------------------------------------------------------------
for row in range(4, 0, -1):
# -------------------------------------------------------------------------
# Printing leading spaces.
# -------------------------------------------------------------------------
for space in range(5 - row):
print(" ", end=" ")
# -------------------------------------------------------------------------
# Printing stars and inner spaces.
# -------------------------------------------------------------------------
for column in range((2 * row) - 1):
# ---------------------------------------------------------------------
# Printing stars on the border.
# ---------------------------------------------------------------------
if column == 0 or column == (2 * row) - 2:
print("*", end=" ")
# ---------------------------------------------------------------------
# Printing spaces inside the pattern.
# ---------------------------------------------------------------------
else:
print(" ", end=" ")
# -------------------------------------------------------------------------
# Moving to the next line.
# -------------------------------------------------------------------------
print()
# Output:
# *
# * *
# * *
# * *
# * *
# * *
# * *
# * *
# *
print()
# =============================================================================
# Pattern 11 : Butterfly Pattern
# =============================================================================
# -----------------------------------------------------------------------------
# Displaying the pattern name.
# -----------------------------------------------------------------------------
print("Pattern 11 : Butterfly Pattern")
# Output:
# Pattern 11 : Butterfly Pattern
# -----------------------------------------------------------------------------
# Using the outer loop to print the upper half.
# -----------------------------------------------------------------------------
for row in range(1, 6):
# -------------------------------------------------------------------------
# Printing left stars.
# -------------------------------------------------------------------------
for star in range(row):
print("*", end=" ")
# -------------------------------------------------------------------------
# Printing middle spaces.
# -------------------------------------------------------------------------
for space in range((5 - row) * 2):
print(" ", end=" ")
# -------------------------------------------------------------------------
# Printing right stars.
# -------------------------------------------------------------------------
for star in range(row):
print("*", end=" ")
# -------------------------------------------------------------------------
# Moving to the next line.
# -------------------------------------------------------------------------
print()
# -----------------------------------------------------------------------------
# Using the outer loop to print the lower half.
# -----------------------------------------------------------------------------
for row in range(4, 0, -1):
# -------------------------------------------------------------------------
# Printing left stars.
# -------------------------------------------------------------------------
for star in range(row):
print("*", end=" ")
# -------------------------------------------------------------------------
# Printing middle spaces.
# -------------------------------------------------------------------------
for space in range((5 - row) * 2):
print(" ", end=" ")
# -------------------------------------------------------------------------
# Printing right stars.
# -------------------------------------------------------------------------
for star in range(row):
print("*", end=" ")
# -------------------------------------------------------------------------
# Moving to the next line.
# -------------------------------------------------------------------------
print()
# Output:
# * *
# * * * *
# * * * * * *
# * * * * * * * *
# * * * * * * * * * *
# * * * * * * * *
# * * * * * *
# * * * *
# * *
print()
# =============================================================================
# Pattern 12 : Hollow Butterfly Pattern
# =============================================================================
# -----------------------------------------------------------------------------
# Displaying the pattern name.
# -----------------------------------------------------------------------------
print("Pattern 12 : Hollow Butterfly Pattern")
# Output:
# Pattern 12 : Hollow Butterfly Pattern
# -----------------------------------------------------------------------------
# Using the outer loop to print the upper half.
# -----------------------------------------------------------------------------
for row in range(1, 6):
# -------------------------------------------------------------------------
# Printing the left wing.
# -------------------------------------------------------------------------
for column in range(1, row + 1):
# ---------------------------------------------------------------------
# Printing stars on the border.
# ---------------------------------------------------------------------
if column == 1 or column == row:
print("*", end=" ")
# ---------------------------------------------------------------------
# Printing spaces inside the wing.
# ---------------------------------------------------------------------
else:
print(" ", end=" ")
# -------------------------------------------------------------------------
# Printing middle spaces.
# -------------------------------------------------------------------------
for space in range((5 - row) * 2):
print(" ", end=" ")
# -------------------------------------------------------------------------
# Printing the right wing.
# -------------------------------------------------------------------------
for column in range(1, row + 1):
# ---------------------------------------------------------------------
# Printing stars on the border.
# ---------------------------------------------------------------------
if column == 1 or column == row:
print("*", end=" ")
# ---------------------------------------------------------------------
# Printing spaces inside the wing.
# ---------------------------------------------------------------------
else:
print(" ", end=" ")
# -------------------------------------------------------------------------
# Moving to the next line.
# -------------------------------------------------------------------------
print()
# -----------------------------------------------------------------------------
# Using the outer loop to print the lower half.
# -----------------------------------------------------------------------------
for row in range(4, 0, -1):
# -------------------------------------------------------------------------
# Printing the left wing.
# -------------------------------------------------------------------------
for column in range(1, row + 1):
# ---------------------------------------------------------------------
# Printing stars on the border.
# ---------------------------------------------------------------------
if column == 1 or column == row:
print("*", end=" ")
# ---------------------------------------------------------------------
# Printing spaces inside the wing.
# ---------------------------------------------------------------------
else:
print(" ", end=" ")
# -------------------------------------------------------------------------
# Printing middle spaces.
# -------------------------------------------------------------------------
for space in range((5 - row) * 2):
print(" ", end=" ")
# -------------------------------------------------------------------------
# Printing the right wing.
# -------------------------------------------------------------------------
for column in range(1, row + 1):
# ---------------------------------------------------------------------
# Printing stars on the border.
# ---------------------------------------------------------------------
if column == 1 or column == row:
print("*", end=" ")
# ---------------------------------------------------------------------
# Printing spaces inside the wing.
# ---------------------------------------------------------------------
else:
print(" ", end=" ")
# -------------------------------------------------------------------------
# Moving to the next line.
# -------------------------------------------------------------------------
print()
# Output:
# * *
# * * * *
# * * * *
# * * * *
# * * * * * * * * * *
# * * * *
# * * * *
# * * * *
# * *
print()
# =============================================================================
# Pattern 13 : Sandglass Pattern
# =============================================================================
# -----------------------------------------------------------------------------
# Displaying the pattern name.
# -----------------------------------------------------------------------------
print("Pattern 13 : Sandglass Pattern")
# Output:
# Pattern 13 : Sandglass Pattern
# -----------------------------------------------------------------------------
# Using the outer loop to print the upper half.
# -----------------------------------------------------------------------------
for row in range(5, 0, -1):
# -------------------------------------------------------------------------
# Printing leading spaces.
# -------------------------------------------------------------------------
for space in range(5 - row):
print(" ", end=" ")
# -------------------------------------------------------------------------
# Printing stars.
# -------------------------------------------------------------------------
for star in range((2 * row) - 1):
print("*", end=" ")
# -------------------------------------------------------------------------
# Moving to the next line.
# -------------------------------------------------------------------------
print()
# -----------------------------------------------------------------------------
# Using the outer loop to print the lower half.
# -----------------------------------------------------------------------------
for row in range(2, 6):
# -------------------------------------------------------------------------
# Printing leading spaces.
# -------------------------------------------------------------------------
for space in range(5 - row):
print(" ", end=" ")
# -------------------------------------------------------------------------
# Printing stars.
# -------------------------------------------------------------------------
for star in range((2 * row) - 1):
print("*", end=" ")
# -------------------------------------------------------------------------
# Moving to the next line.
# -------------------------------------------------------------------------
print()
# Output:
# * * * * * * * * *
# * * * * * * *
# * * * * *
# * * *
# *
# * * *
# * * * * *
# * * * * * * *
# * * * * * * * * *
print()
# =============================================================================
# Pattern 14 : Hourglass Pattern
# =============================================================================
# -----------------------------------------------------------------------------
# Displaying the pattern name.
# -----------------------------------------------------------------------------
print("Pattern 14 : Hourglass Pattern")
# Output:
# Pattern 14 : Hourglass Pattern
# -----------------------------------------------------------------------------
# Using the outer loop to print the upper half.
# -----------------------------------------------------------------------------
for row in range(5, 0, -1):
# -------------------------------------------------------------------------
# Printing leading spaces.
# -------------------------------------------------------------------------
for space in range(5 - row):
print(" ", end=" ")
# -------------------------------------------------------------------------
# Printing stars.
# -------------------------------------------------------------------------
for star in range((2 * row) - 1):
print("*", end=" ")
# -------------------------------------------------------------------------
# Moving to the next line.
# -------------------------------------------------------------------------
print()
# -----------------------------------------------------------------------------
# Using the outer loop to print the lower half.
# -----------------------------------------------------------------------------
for row in range(2, 6):
# -------------------------------------------------------------------------
# Printing leading spaces.
# -------------------------------------------------------------------------
for space in range(5 - row):
print(" ", end=" ")
# -------------------------------------------------------------------------
# Printing stars.
# -------------------------------------------------------------------------
for star in range((2 * row) - 1):
print("*", end=" ")
# -------------------------------------------------------------------------
# Moving to the next line.
# -------------------------------------------------------------------------
print()
# Output:
# * * * * * * * * *
# * * * * * * *
# * * * * *
# * * *
# *
# * * *
# * * * * *
# * * * * * * *
# * * * * * * * * *
print()
# =============================================================================
# Pattern 15 : Hollow Pyramid Pattern
# =============================================================================
# -----------------------------------------------------------------------------
# Displaying the pattern name.
# -----------------------------------------------------------------------------
print("Pattern 15 : Hollow Pyramid Pattern")
# Output:
# Pattern 15 : Hollow Pyramid Pattern
# -----------------------------------------------------------------------------
# Using the outer loop for rows.
# -----------------------------------------------------------------------------
for row in range(1, 6):
# -------------------------------------------------------------------------
# Printing leading spaces.
# -------------------------------------------------------------------------
for space in range(5 - row):
print(" ", end=" ")
# -------------------------------------------------------------------------
# Printing stars and inner spaces.
# -------------------------------------------------------------------------
for column in range((2 * row) - 1):
# ---------------------------------------------------------------------
# Printing stars on the border.
# ---------------------------------------------------------------------
if row == 5 or column == 0 or column == (2 * row) - 2:
print("*", end=" ")
# ---------------------------------------------------------------------
# Printing spaces inside the pyramid.
# ---------------------------------------------------------------------
else:
print(" ", end=" ")
# -------------------------------------------------------------------------
# Moving to the next line.
# -------------------------------------------------------------------------
print()
# Output:
# *
# * *
# * *
# * *
# * * * * * * * * *
print()
# =============================================================================
# Pattern 16 : Hollow Inverted Pyramid Pattern
# =============================================================================
# -----------------------------------------------------------------------------
# Displaying the pattern name.
# -----------------------------------------------------------------------------
print("Pattern 16 : Hollow Inverted Pyramid Pattern")
# Output:
# Pattern 16 : Hollow Inverted Pyramid Pattern
# -----------------------------------------------------------------------------
# Using the outer loop for rows.
# -----------------------------------------------------------------------------
for row in range(5, 0, -1):
# -------------------------------------------------------------------------
# Printing leading spaces.
# -------------------------------------------------------------------------
for space in range(5 - row):
print(" ", end=" ")
# -------------------------------------------------------------------------
# Printing stars and inner spaces.
# -------------------------------------------------------------------------
for column in range((2 * row) - 1):
# ---------------------------------------------------------------------
# Printing stars on the border.
# ---------------------------------------------------------------------
if row == 5 or column == 0 or column == (2 * row) - 2:
print("*", end=" ")
# ---------------------------------------------------------------------
# Printing spaces inside the pyramid.
# ---------------------------------------------------------------------
else:
print(" ", end=" ")
# -------------------------------------------------------------------------
# Moving to the next line.
# -------------------------------------------------------------------------
print()
# Output:
# * * * * * * * * *
# * *
# * *
# * *
# *
print()
# =============================================================================
# Pattern 17 : X Pattern
# =============================================================================
# -----------------------------------------------------------------------------
# Displaying the pattern name.
# -----------------------------------------------------------------------------
print("Pattern 17 : X Pattern")
# Output:
# Pattern 17 : X Pattern
# -----------------------------------------------------------------------------
# Using the outer loop for rows.
# -----------------------------------------------------------------------------
for row in range(5):
# -------------------------------------------------------------------------
# Using the inner loop for columns.
# -------------------------------------------------------------------------
for column in range(5):
# ---------------------------------------------------------------------
# Printing stars on both diagonals.
# ---------------------------------------------------------------------
if row == column or row + column == 4:
print("*", end=" ")
# ---------------------------------------------------------------------
# Printing spaces elsewhere.
# ---------------------------------------------------------------------
else:
print(" ", end=" ")
# -------------------------------------------------------------------------
# Moving to the next line.
# -------------------------------------------------------------------------
print()
# Output:
# * *
# * *
# *
# * *
# * *