随机验证码生成

import random

li = []
for i in range(6):
    r = random.randrange(0,5)
    if r==2 or r ==4:
        temp = random.randrange(0,10)
        li.append(str(temp))
    else:
        temp = random.randrange(65,91)
        c = chr(temp)
        li.append(c)

result = ''.join(li)
print(result)