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

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

Author: pre-commit-ci[bot]

maths/power_using_iteration.py

@@ -24,7 +24,7 @@ def power(base: float, exponent: int) -> float:
         39.0625
         >>> power(-3.5, 2)
         12.25
-        >>> power(-2, 3)    
+        >>> power(-2, 3)
         -8.0
         >>> power(0, 5)
         0.0
@@ -34,9 +34,9 @@ def power(base: float, exponent: int) -> float:
         Traceback (most recent call last):
             ...
         ZeroDivisionError: 0.0 cannot be raised to a negative power.
-        >>> power(1, 1000)     
+        >>> power(1, 1000)
         1.0
-        
+
     """
     result = 1.0
     if exponent < 0:
@@ -52,6 +52,7 @@ def power(base: float, exponent: int) -> float:
 
 if __name__ == "__main__":
     import doctest
+
     doctest.testmod()
     print("Raise base to the power of exponent using an optimized approach...")