日期：2015年8月23日

def simpleGen():

    yield 1

    yield '2--->punch!'

myG = simpleGen()

'''

myG.next()

myG.next()

myG.next() #Exception

'''

for eachItem in simpleGen():

    print eachItem,

print '-----------------------------------------'

from random import randrange

def randGen(aList):

    while len(aList) > 0:

        yield aList.pop(randrange(len(aList)))# Just like list.pop() and random.choice()

for item in randGen(['rock', 'paper', 'scissors']):

    print item

import longmodulename

short = longmodulename

del longmodulename

from cgi import FieldStorage as form