#!/bin/env python

class Vector(object):
  # constructor
  def __init__(self, coord):
    self.coord = coord  

  # turns the object into string  
  def __str__(self):
    return str(self.coord)
    
  def __mul__(self, scalar):
    '''Multiplication with a scalar from the right.'''
    return map(lambda x: x*scalar, self.coord)

  def __rmul__(self, scalar):
    '''Multiplication with a scalar from the left.'''
    return map(lambda x: scalar*x, self.coord)

if __name__ == "__main__":
    v1 = Vector(range(5))
    print("Vector: ", str(v1));
    print("Testing scalar multiplication (from right):",  v1 * 5)
    print("Testing scalar multiplication (from left):",   5 * v1)