生成器

from random import randint
def randGen(aList):
  while len(aList) > 0:
    a=randint(0, len(aList) - 1)
    # print '1111111111'
    # print a
    # print '1111111111'
    # print '-------------'
    # print len(aList)
    # print '-------------'
    yield aList.pop(a)

a=randGen([1,2,3,4,5])
print '##############'
for i in range(10):
    if i==2:
        print i
        print  a.next()
    elif i==4:
        print i
        print a.next()
print '##############'


C:Python27python.exe C:/Users/TLCB/PycharmProjects/untitled/core/a14.py
##############
2
3
4
4
##############