#!/usr/bin/env python3
# -*- coding:utf-8 -*-

classmates = ('Michael','Bob','Tracy')

print('classmates=',classmates)

print('len(classmates)=',len(classmates))

print('classmates[0]=',classmates[0])
print('classmates[1]=',classmates[1])
print('classmates[2]=',classmates[2])
print('classmates[-1]=',classmates[-1])
# can't modify tuple
#classmates[0] = 'Adam'