随机生成4位验证码(包含数字, 字母)

# def verify_code():
#     lst1 = [] # 字母
#     for i in range(65, 91):
#         lst1.append(chr(i))
#
#     for i in range(97, 123):
#         lst1.append(chr(i))
#
#     lst2 = []
#     for i in range(10):
#         lst2.append(i)
#
#     import random
#     from functools import reduce
#     zimu = random.randint(1, 3) # 3 2
#     shuzi = 4-zimu # 1 2
#
#     z = random.sample(lst1, zimu)
#     s = random.sample(lst2, shuzi)
#
#     s1 = reduce(lambda x, y: str(x) + str(y), z, "")
#     s2 = reduce(lambda x, y: str(x) + str(y), s, "")
#     return s1 + s2
#
#
# for i in range(1000):
#     print(verify_code(), end="\t")
#