Modernize Python 2 code to get ready for Python 3

07-infinite-mirror/tf-07.py

@@ -1,4 +1,5 @@
 #!/usr/bin/env python
+from __future__ import print_function
 import re, sys, operator
 
 # Mileage may vary. If this crashes, make it lower
@@ -29,7 +30,7 @@ def wf_print(wordfreq):
         return
     else:
         (w, c) = wordfreq[0]
-        print w, '-', c
+        print(w, '-', c)
         wf_print(wordfreq[1:])
 
 stop_words = set(open('../stop_words.txt').read().split(','))