Python Program to find the area of triangle

#!/usr/bin/python
# -*- coding: utf-8 -*-
# Python Program to find the area of triangle
# Uncomment below to take inputs from the user
a = float(input('Enter first side: '))
b = float(input('Enter second side: '))
c = float(input('Enter third side: '))
# calculate the semi-perimeter
s = (a + b + c) / 2
# calculate the area
area = (s * (s - a) * (s - b) * (s - c)) ** 0.5
print 'The area of the triangle is %0.2f' % area