Update power.py

Author: lighting9999

divide_and_conquer/power.py

@@ -29,26 +29,14 @@ def actual_power(a: int, b: int):
         return a * half * half
 
 def power(a: int, b: int) -> float:
-    """
+    """ 
     :param a: The base (integer).
     :param b: The exponent (integer).
     :return: The result of a^b, as a float for negative exponents.
-
-    >>> power(4,6)
-    4096
-    >>> power(2,3)
-    8
-    >>> power(-2,3)
-    -8
-    >>> power(2,-3)
-    0.125
-    >>> power(-2,-3)
-    -0.125
     """
     if b < 0:
-        return 1 / actual_power(a, b)
+      return 1 / actual_power(a, -b)
     return actual_power(a, b)
 
-
 if __name__ == "__main__":
-    print(power(-2, -3))
+    print(power(-2, -3)) #output -0.125