psf/black code formatting (#1277)

This commit is contained in:
William Zhang
2019-10-05 01:14:13 -04:00
committed by Christian Clauss
parent 07f04a2e55
commit 9eac17a408
291 changed files with 6014 additions and 4571 deletions

View File

@ -266,6 +266,7 @@ def prompt(s: str = "", width=50, char="*") -> str:
if __name__ == "__main__":
import doctest
doctest.testmod()
print(prompt("Binary Tree Traversals"))