栈:
# -*- coding: utf-8 -*- #定义序列
lst=[] def pop():
if(len(lst)==0):
print"栈为空","无法出栈"
else:
print "此次出栈元素为:",lst.pop() def push(i):
lst.append(i) push(1)
push(2)
push(3)
pop()
pop()
pop()
pop()
队列:
# -*- coding: utf-8 -*- lst=[] def enpush(i):
lst.append(i) def enpop():
if(len(lst)==0):
print "队列为空,无法出队"
else:
print"出队元素为:",lst.pop(0) enpush(10)
enpush(20)
enpush(2) enpop()
enpop()
enpop()
enpop()