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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 origin_west_africa(origin):
 """\ Returns if the origin is located in West Africa. Holds true for the following countries: * Benin * Burkin Faso * Cape Verde * Côte d'Ivoire * Gambia * Ghana * Guinea * Liberia * Mali * Mauritania * Niger * Nigeria * Senegal * Sierra Leone * Togo `origin` The origin to check. """

    return origin_benin(origin) or origin_burkina_faso(origin) \
           or origin_cape_verde(origin) or origin_cote_divoire(origin) \
           or origin_gambia(origin) or origin_ghana(origin) \
           or origin_guinea(origin) or origin_liberia(origin) \
           or origin_mali(origin) or origin_mauritania(origin) \
           or origin_niger(origin) or origin_nigeria(origin) \
           or origin_senegal(origin) or origin_sierra_leone(origin) \
           or origin_togo(origin)