Python 生成随机数、随机字符串
#!/usr/bin/python # -*- coding: UTF-8 -*- import random import string # 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!@#$%^&*()') # 多个字符中生成指定数量的随机字符: print random.sample('zyxwvutsrqponmlkjihgfedcba',5) # 从a-zA-Z0-9生成指定数量的随机字符: ran_str = ''.join(random.sample(string.ascii_letters + string.digits, 8)) print ran_str # 多个字符中选取指定数量的字符组成新字符串: print ''.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(['剪刀', '石头', '布']) # 打乱排序 items = [1, 2, 3, 4, 5, 6, 7, 8, 9, 0] print random.shuffle(items)