Make starmap() match its pure python definition and accept any itertable input (not just tuples).
diff --git a/Misc/NEWS b/Misc/NEWS
index 9ec0f6a..0085416 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -993,6 +993,9 @@
the context manager protocol. The _winreg module also gained a new function
``ExpandEnvironmentStrings`` to expand REG_EXPAND_SZ keys.
+- itertools.starmap() now accepts any iterable input. Previously, it required
+ the function inputs to be tuples.
+
- Issue #1646: Make socket support TIPC. The socket module now has support
for TIPC under Linux, see http://tipc.sf.net/ for more information.