Python(random模块)

random库

import random

print(random.random())# 0-1

print(random.randint(1,8)) # 1-8 ,包含８

print(random.choice('hello')) # 随机选择

print(random.choice(['123',4,[1,2]])) # 随机选择

print( random.sample( ['123',4,[1,2]], 2 ) ) #随机选择其中两个值

print(random.randrange(1,3)) # 值1-2，不包含３,常用

def v_code():
    code = ''
    for i in range(5):

        add = random.choice([random.randrange(10),chr( random.randrange(65,91) ) ]) #随机选择数字或字母

        code += str(add)

    print(code)

v_code() # 5位随机验证码

执行结果：

0.7725728660681052
2
e
123
['123', [1, 2]]
2
RVXL6

Process finished with exit code 0