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calculator.py
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70 lines (54 loc) · 1.85 KB
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while True:
# definition for operators
#addition
def add(num1, num2):
return num1+num2
#substraction
def subtract(num1, num2):
return num1-num2
#multiplication
def multiply(num1, num2):
return num1*num2
#division
def divide(num1, num2):
try:
return num1/num2
except ZeroDivisionError:
print ("WARNING: Invalid division, cannot divide by zero")
#exponent
def exponent(num1, num2):
return num1**num2
while True:
try:
num1=float(input("Enter a digit: "))
num2=float(input("Enter another digit: "))
break
except ValueError:
print("The input was not a valid digit")
#command for operation
print("Choose an operation")
print("Press 1 for addition")
print("Press 2 for substraction")
print("Press 3 for multiplication")
print("Press 4 for division")
print("Press 5 for exponent")
# take input from the user
choice = input("Enter choice(1/2/3/4/5): ")
if choice in ('1', '2', '3', '4', '5'):
if choice == '1':
print(num1, "+", num2, "=", add(num1, num2))
elif choice == '2':
print(num1, "-", num2, "=", subtract(num1, num2))
elif choice == '3':
print(num1, "*", num2, "=", multiply(num1, num2))
elif choice == '4':
print(num1, "/", num2, "=", divide(num1, num2))
elif choice == '5':
print(num1, "to the power of", num2, "=", exponent(num1, num2))
# check if user wants another calculation
# break the while loop if answer is no
next_calculation = input("Do you want to do another calculation? (yes/no): ")
if next_calculation == "no":
break
else:
print("Invalid input")