def compare_msg(message_d, message_e):
    a_list = message_d.split()
    b_list = message_e.split()
    c_list = [x for x in a_list if (x not in b_list)]
    final_msg = ' '.join(c_list)
    return final_msg
def compare_msg(message_d, message_e):
    a_list = message_d.split()
    b_list = message_e.split()
    c_list = [x for x in a_list if (x not in b_list)]
    final_msg = ' '.join(c_list)
    return final_msg