Python 之路 Day5 - 常用模块学习

random模块

随机数
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mport random
print random.random()
print random.randint(1,2)
print random.randrange(1,10)
生成随机验证码
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import random
checkcode = ''
for in range(4):
    current = random.randrange(0,4)
    if current != i:
        temp = chr(random.randint(65,90))
    else:
        temp = random.randint(0,9)
    checkcode += str(temp)
print checkcode

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