[docs] [issue35738] Update timeit documentation to reflect default repeat of three

Jan. 15, 2019


      Change by Henry Chen <tahafut@gmail.com>:


----------
keywords: +patch
pull_requests: +11196
stage:  -> patch review

_______________________________________
Python tracker <report@bugs.python.org>
<https://bugs.python.org/issue35738>
_______________________________________