python_week2_homework

#list实现队列和栈

#_*_coding:utf-8_*_

#队列
s=0
list3=[1,5,9,6]
for i in range(4):
    s=list3[i]
    print s
#栈    
s=0
list3=[1,5,9,6]
for i in (3,2,1,0):
    s=list3[i]
    print s