Convert a lot of print statements to print functions in docstrings,
documentation, and unused/rarely used functions.
diff --git a/Doc/library/sched.rst b/Doc/library/sched.rst
index bb15c76..e0007fc 100644
--- a/Doc/library/sched.rst
+++ b/Doc/library/sched.rst
@@ -52,14 +52,14 @@
     >>> import time
     >>> from threading import Timer
     >>> def print_time():
-    ...     print "From print_time", time.time()
+    ...     print("From print_time", time.time())
     ...
     >>> def print_some_times():
-    ...     print time.time()
+    ...     print(time.time())
     ...     Timer(5, print_time, ()).start()
     ...     Timer(10, print_time, ()).start()
     ...     time.sleep(11)	# sleep while time-delay events execute
-    ...     print time.time()     
+    ...     print(time.time())
     ...
     >>> print_some_times()
     930343690.257