dice.py

# Script Name	: dice.py
# Author		: Craig Richards
# Created		: 05th February 2017
# Last Modified	: 
# Version		: 1.0

# Modifications	:

# Description	: This will randomly select two numbers, like throwing dice, you can change the sides of the dice if you wish

import random
class Die(object):
  #A dice has a feature of number about how many sides it has when it's established,like 6.
  def __init__(self):
    self.sides=6
    
  """because a dice contains at least 4 planes.
  So use this method to give it a judgement when you need to change the instance attributes."""
  def set_sides(self, sides_change):
    if sides_change>=4:
      if sides_change != 6:
        print("change sides from 6 to ",sides_change," !")
      self.sides = sides_change
    else:
      print("wrong sides! sides set to 6")
      
  def roll(self):
    return random.randint(1, self.sides)

d = Die()
d1 = Die()
d.set_sides(4)
d1.set_sides(4)
print (d.roll(), d1.roll())