from hashlib import md5

def encrypt_md5(s):

    # 创建md5对象

    new_md5 = md5()

    # 这里必须用encode()函数对字符串进行编码，不然会报 TypeError: Unicode-objects must be encoded before hashing

    new_md5.update(s.encode(encoding='utf-8'))

    # 加密

    return new_md5.hexdigest()

# 调用

if __name__ == '__main__':

    print(encrypt_md5('admin'))

21232f297a57a5a743894a0e4a801fc3