new_contents: # -*- coding: utf-8 -*-
  """
  File: Interest_rate.py
  
  Copyright (c) 2016 Eddie Wadors
  
  License: MIT
  
  Converting an interest rate over years formula into python.
  """
  A=1000
  P=.05
  years = 3
  sum = float (A * (1 + P/100)**years)
  print sum
  
subject: Create interest_rate.py