Fix Python 3 compatibility in the irrelevant code! (#86)

irrelevant/parse_readme.py

@@ -2,7 +2,7 @@
 
 """
 This inefficient module would parse the README.md in the initial version of
-WTFPython, and enabl me to categorize and reorder a hell lot of examples with
+WTFPython, and enable me to categorize and reorder a hell lot of examples with
 the help of the file `add_categories` (part of which is automatically
 generated).
 
@@ -10,6 +10,12 @@ After the refactor, this module would not work now with necessary updates in
 the code.
 """
 
+try:
+    raw_input          # Python 2
+except NameError:
+    raw_input = input  # Python 3
+    
+
 fname = "README.md"
 snippets = []