from string import ascii_letters, digits
from random import choice
choice_str = ascii_letters + digits
choice_list = [x for x in choice_str] #生成从中随机抽取的列表
for x in range(5): #生成5次
result = ""
for y in range(6): #6位数
nres = choice(choice_list) #随机抽取
result += nres #拼接
print(result)
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