数字字母验证码实例

import random

code = ""
for i in range(6):
    num = random.randint(0,4)
    if num == 3 or num == 1:
        rad2 = random.randint(0,10)
        rad2 = str(rad2)
        code += rad2
    else:
        rad = random.randint(65,91)
        ch = chr(rad)
        code += ch

print(code)