Refactor hard-coded values to allow flexibility.

Refactor hard-coded values to allow flexibility, and fixed a few spelling errors in the comments.

Author: nnamdiib

create_dir_if_not_there.py

@@ -9,11 +9,16 @@
 # Description   : Checks to see if a directory exists in the users home directory, if not then create it
 
 import os		# Import the OS module
+MESSAGE = 'The directory already exists.'
+TESTDIR = 'testdir'
 try:
-    home = os.path.expanduser("~")          # Set the variable home by expanding the users set home directory
-    print(home)                              # Print the location
-
-    if not os.path.exists(os.path.join(home, 'testdir')): # os.path.jon() for making a full path safely
-        os.makedirs(os.path.join(home, 'testdir'))        # If not create the directory, inside their home directory
+    home = os.path.expanduser("~")          # Set the variable home by expanding the user's set home directory
+    print(home)                             # Print the location
+    
+    if not os.path.exists(os.path.join(home, TESTDIR)): # os.path.join() for making a full path safely
+        os.makedirs(os.path.join(home, TESTDIR))        # If not create the directory, inside their home directory
+    else:
+        print(MESSAGE)
 except Exception as e:
     print(e)
+