Merge pull request #489 from cclauss/patch-3

Use print() function in both Python 2 and Python 3

Author: jmadler

docs/other/find_pattern.py

@@ -38,6 +38,7 @@
 Larger snippets can be placed in a file (as opposed to a command-line
 arg) and processed with the -f option.
 """
+from __future__ import print_function
 
 __author__ = "Collin Winter <[email protected]>"
 
@@ -65,7 +66,7 @@ def main(args):
     elif len(args) > 1:
         tree = driver.parse_stream(StringIO(args[1] + "\n"))
     else:
-        print >>sys.stderr, "You must specify an input file or an input string"
+        print("You must specify an input file or an input string", file=sys.stderr)
         return 1
 
     examine_tree(tree)
@@ -75,10 +76,10 @@ def examine_tree(tree):
     for node in tree.post_order():
         if isinstance(node, pytree.Leaf):
             continue
-        print repr(str(node))
+        print(repr(str(node)))
         verdict = raw_input()
         if verdict.strip():
-            print find_pattern(node)
+            print(find_pattern(node))
             return
 
 def find_pattern(node):