python学习之：文件操作二

import logging
logging.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()