psf/black code formatting (#1421)

* added sol3.py for problem_20

* added sol4.py for problem_06

* ran `black .` on `\Python`
This commit is contained in:
Ankur Chattopadhyay
2019-10-22 22:43:48 +05:30
committed by Christian Clauss
parent 11e2207182
commit 7592cba417
28 changed files with 413 additions and 252 deletions

View File

@ -11,7 +11,7 @@ def factorial(input_number: int) -> int:
"""
if input_number < 0:
raise ValueError('Input input_number should be non-negative')
raise ValueError("Input input_number should be non-negative")
elif input_number == 0:
return 1
else: