def reverse_words(str):
    new_cocks=[]
    for cock in str.split(" "):
        new_cocks.append(cock[-1::-1])
    string= " ".join(new_cocks)
    print(string)
    return string
def main():
    cock='This is  an  example!'
    print(cock)
    reverse_words(cock)

if __name__ == "__main__":
    main()