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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:

def create_shield_deco_layer(weapons, ip):
    '''Reads the SHIELD_DECO.pgn file and creates
    the shield decal layer.'''
    layer = []
    if weapons[0] in hashgrinder.SHIELDS:
        layer = pgnreader.parse_pagan_file(FILE_SHIELD_DECO, ip, invert=False, sym=False)
    return layer