Added power_of_n.py

Author: HimanshuGupta-p1

bit_manipulation/power_of_n.py

@@ -1,12 +1,6 @@
 '''
 Wikipedia explanation: https://en.wikipedia.org/wiki/Exponentiation
 '''
-# Assign values to author and version.
-__author__ = "Himanshu Gupta"
-__version__ = "1.0.0"
-__date__ = "2023-09-03"
-
-
 def binary_exponentiation(number: float, power: int) -> float:
     """
     Function to calculate number raised to the power (i.e., number^power) where number is a float number and power is an integer and it will return float value
@@ -24,19 +18,15 @@ def binary_exponentiation(number: float, power: int) -> float:
     if power == 0:
         return 1
 
-    # Handle case where, power < 0.
     if power < 0:
         power = -1 * power
         number = 1.0 / number
 
-    # Perform Binary Exponentiation.
     result = 1
     while power != 0:
-        # If 'power' is odd we multiply result with 'number' and reduce 'power' by '1'.
         if power % 2 == 1:
             result *= number
             power -= 1
-        # We square 'number' and reduce 'power' by half, number^power => (number^2)^(power/2).
         number *= number
         power //= 2
     return result