Update itertools.md

Joseph Luce · web-flow · commit 0e2775990a0d · 2019-07-30T11:41:27.000-07:00
diff --git a/pythonic/itertools.md b/pythonic/itertools.md
@@ -50,6 +50,8 @@ for each in itertools.starmap(operator.mul, data)
 
 ## tee()
 
+## izip()
+
 ## zip_longest()
 
 ## combinations()
