Improve itertools docs with clearer examples of pure python equivalent code.
diff --git a/Doc/library/functions.rst b/Doc/library/functions.rst
index ced3745..e5d4a99 100644
--- a/Doc/library/functions.rst
+++ b/Doc/library/functions.rst
@@ -1367,10 +1367,10 @@
def zip(*iterables):
# zip('ABCD', 'xy') --> Ax By
sentinel = object()
- iterables = [iter(it) for it in iterables]
- while iterables:
+ iterators = [iter(it) for it in iterables]
+ while iterators:
result = []
- for it in iterables:
+ for it in iterators:
elem = next(it, sentinel)
if elem is sentinel:
return