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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 position(parser, token):
 """ Render a given position for category. If some position is not defined for first category, position from its parent category is used unless nofallback is specified. Syntax:: {% position POSITION_NAME for CATEGORY [nofallback] %}{% endposition %} {% position POSITION_NAME for CATEGORY using BOX_TYPE [nofallback] %}{% endposition %} Example usage:: {% position top_left for category %}{% endposition %} """

    bits = token.split_contents()
    nodelist = parser.parse(('end' + bits[0],))
    parser.delete_first_token()
    return _parse_position_tag(bits, nodelist)