代碼

import string
import random

KEY_VALUE = 20
KEY_NUMBER = 200
result = []

def all_str():
    return string.ascii_letters + string.digits

for i in range(KEY_NUMBER):
    st = []
    for j in range(KEY_VALUE):
        st.append(random.choice(all_str()))
    st = ''.join(st)
    result.append(st)

print(result)

新知識(shí)

返回一個(gè)包含所有大小寫(xiě)字母+數(shù)字的字符串

return string.ascii_letters + string.digits

從一個(gè)列表，或者字符串或者元組中隨機(jī)選擇一個(gè)值

random.choice(all_str())