minor corrections to 3 files exercises

hughlilly · hughlilly · commit 7eda05b81c9c · 2022-02-03T18:07:49.000+13:00
diff --git a/07-files/files1.py b/07-files/files1.py
@@ -1,16 +1,18 @@
 
-# To read and write a file, you have to open a file handler, with the built-in
+# To read and write a file, you have to open a file handler using the built-in
 # `open()` function. Its only required argument is the path to the file.
 
 # We've used "f"-strings before to incorporate variable values, but now we
 # need to use an "r"-string: https://www.journaldev.com/23598/python-raw-string
 # They take backslashes literally — very important in Windows file/dir paths.
 
+# This may need to be altered for use on Windows
 filepath = r'07-files/shopping_list.csv'
 
 file = open(filepath)
 
+# File objects (such as those returned by `open()`) are effectively a list:
 for line in file:
-    print(line, end="")
+    print(line, end='')
 
 file.close()
diff --git a/07-files/files2.py b/07-files/files2.py
@@ -3,6 +3,7 @@
 # script's Current Working Directory (CWD) is the root of the project.
 
 # We can access the CWD using the `getcwd()` function in the `os` module.
+
 import os
 
 print(os.getcwd())
diff --git a/07-files/files4.py b/07-files/files4.py
@@ -1,3 +1,4 @@
+
 # You can also use the `readlines()` method to iterate over the lines of a file
 
 filepath = r'07-files/shopping_list.csv'

Original file line number	Diff line number	Diff line change
`@@ -1,3 +1,4 @@`
	`1`	`+`
`1`	`2`	# You can also use the `readlines()` method to iterate over the lines of a file
`2`	`3`
`3`	`4`	`filepath = r'07-files/shopping_list.csv'`