decode

import sys


def decode_str():
    with open("words.txt", "r") as f:
        words = " ".join(f.readlines())
    print("----- number of words:", len(words.split(',')))
    decode_l = ["dc " + w.strip() for w  in words.split(',')]
    print("::".join(decode_l))


if __name__ == '__main__':
    decode_str()