[chronic@vandal src]$ python main.py
Number of sides: 8
1080

#!/usr/bin/env python
'''
Simple tool written in Python to help find the sum of interior angles of a regular polygon
Formula:
180(n - 2) where n is the number of sides
'''
import sys
class DoMath(object):
    def __init__(self, n):
        self.sides = n
    def GetSum(self):
        number = self.sides - 2
        answer = 180 * number
        print answer
try:
    n = int(raw_input(\"Number of sides: \"))
except ValueError:
    print(\"Value not correct\")
    sys.exit()
initmath = DoMath(n)
initmath.GetSum()