1#2随机模块

python 产生随机数,随机字符串

import random


随机整数:

print random.randint(1,50)


随机选取0到100间的偶数:

print random.randrange(0, 101, 2)


随机浮点数:

print random.random()
print random.uniform(1, 10)


随机字符:

print random.choice('abcdefghijklmnopqrstuvwxyz!@#$%^&*()')


多个字符中选取特定数量的字符:

print random.sample('zyxwvutsrqponmlkjihgfedcba',5)


多个字符中选取特定数量的字符组成新字符串:

''.join(random.sample(['z','y','x','w','v','u','t','s','r','q','p','o','n','m','l','k','j','i','h','g','f','e','d','c','b','a'], 5))


随机选取字符串:

print random.choice(['AAAAA', 'BBBBB', 'CCCCC'])


打乱排序

items = [1, 2, 3, 4, 5, 6, 7, 8, 9, 0]
print random.shuffle(items)

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