Fix most trivially-findable print statements.

There's one major and one minor category still unfixed:
doctests are the major category (and I hope to be able to augment the
refactoring tool to refactor bona fide doctests soon);
other code generating print statements in strings is the minor category.

(Oh, and I don't know if the compiler package works.)

Lib/test/crashers/bogus_sre_bytecode.py

@@ -38,7 +38,7 @@ ss = ["", "world", "x" * 500]
 
 while 1:
     code = [pick() for i in range(random.randrange(5, 25))]
-    print code
+    print(code)
     pat = _sre.compile(None, 0, code)
     for s in ss:
         try: