random——python

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import random

#产生一个0到1的随机浮点数
print(random.random())
#1到20的随机数
print(random.randint(1,20))
#1到2的随机数
print(random.randrange(1,3))
#取带范围的浮点数
print(random.uniform(1,10))
#产生随机字符 abcdef 中的一个
print(random.choice("abcdef"))
#取多个字符
print(random.sample("abcdef",3))
#取随机字符串
print(random.choice(["chenpeng","fengyong","guapi","zelin"]))

#洗牌功能
t = [1,2,3,4,5,6,7,"j","q"]
print(t)
random.shuffle(t)
print(t)

简单实现验证码

import random

checkcode = ''
for i in range(6):
    judge = random.randint(0,1)
    if(judge==1):
        temp = random.randint(0, 9)
    else:
        #temp = random.choice("abcdefghijklmnoporstuvwxyz")
        temp = chr(random.randint(65,90))
    checkcode+=str(temp)
print(checkcode)