python学习之：文件操作二

import logginglogging.basicConfig(level=logging.INFO)

‘‘‘def check_number_exist(password_str):

    has_number = False

    for c in password_str:        if c.isnumber():            has_number = True            break    return has_number

def check_letter_exist(password_str):    has_letter = False

    for c in password_str:        if c.isalpha():            has_letter = True            break    return has_letter‘‘‘

def main():

    f = open(‘password.txt‘,‘r‘)

    for line in f:        logging.info(‘read:{}‘.format(line))    f.close()

if __name__ == ‘__main__‘:    main()

原文地址：https://www.cnblogs.com/Jessie-02/p/12625853.html