def extract_msg(message_f):
    a_list = message_f.split()
    even_word = (lambda x: ((len(x) % 2) == 0))
    b_list = filter(even_word, a_list)
    final_msg = ' '.join(b_list)
    return final_msg
def extract_msg(message_f):
    a_list = message_f.split()
    even_word = (lambda x: ((len(x) % 2) == 0))
    b_list = filter(even_word, a_list)
    final_msg = ' '.join(b_list)
    return final_msg