#!/usr/bin/env python
# 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 not modify the tuple
classmates[0] = 'Jordan'
