#! /usr/bin/python #* coding:utf-8 * s1=set([4,4,5,5,6,6]) print(s1) s2=set([2,3,4]) print(s1&s2) print(s1|s2)


#! /usr/bin/python #* coding: utf-8 *

d={'tom':95, 'bob':75, 'jack':88 }

print('d['tom'] =',d['tom']) print('d['bob'] =',d['bob']) print('d['jack']=',d['jack'])