random 模块 随机验证码

 
 
import random

ret = random.random()      # 随机浮点数   random.random()

ret = random.randint(1,21)   # 随机范围整数    randint()

ret = random.choice([11,22,33])   # 随机取一个    choice()

ret = random.sample([11,22,33],2)  # 随机取两个数    sample()

ret = random.uniform(1,2)   # 随机指定范围浮点型    uniform()

item = [1,2,3,4]      
random.shuffle(item)     # 打乱列表顺序    shuffle()
print(item)
# *********** 随机验证码
import random

def v_code():
    
    ret=""
    
    for i in range(4):
        
        num = random.randint(0,9)     # 随机0-9数字
        
        a = chr(random.randint(65,122))   # chr 将数字转为ASCII码 65-122为大小写字母
        
        s = str(random.choice([num, a]))   # 随机一个取数字或字母
        
        ret += s        # 拼接字符串     
        
    return ret

print(v_code())

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转载自blog.csdn.net/weixin_42100915/article/details/80248644