random模块 | Python

import random

print(random.random())  # 0-1的随机数
print(random.randint(1,8))  # 1-8的随机整数
print(random.choice(‘hello‘))  # 序列随机选择
# print(random.choice([123, ‘a‘, ‘b‘, ‘v‘]))
print(random.sample([‘123‘, ‘a‘, ‘b‘, ‘c‘], 2))  # 序列中随机选择指定个随机元素
print(random.randrange(1,8))  # 1-7的随机整数,不包含8

print(chr(90))  # chr存放所有字符,65-90的数字表示26位字母;
# 随机生成字母与数字的验证码
code = ‘‘
for i in range(5):
    add = random.choice([random.randrange(10), chr(random.randrange(65,91))])
    code+=str(add)
print(code)