[pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

Author: pre-commit-ci[bot]

bit_manipulation/is_even.py

@@ -30,6 +30,7 @@ def is_even(number: int) -> bool:
     """
     return number & 1 == 0
 
+
 def is_even_using_shift_operator(number: int) -> bool:
     """
     Returns True if the input integer is even.