implement sqrt code in python code example

Example 1: sqrt python

#Run this code in the shell - do not run this as a .py file.
>>> import math
#On a different line type the following:
>>> math.sqrt(YourNumberHere)
#You may replace YourNumberHere with any number.

Example 2: square root in python

def square_root(num):
  	return num**0.5
#prints out 4
print(square_root(16))
#prints out 10
print(square_root(100))