def shout(word1,word2):
    """Concatenate strings with three exclamation marks"""
    # Concatenate word1 with '!!!': shout1
    shout1=word1+'!!!'
    # Concatenate word2 with '!!!': shout2
    shout2=word2+'!!!'
    # Concatenate shout1 with shout2: new_shout
    new_shout=shout1+shout2
    # Return new_shout
    return new_shout