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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 get_list_index(lst, index_or_name):
 """ Return the index of an element in the list. Args: lst (list):
 The list. index_or_name (int or str):
 The value of the reference element, or directly its numeric index. Returns: (int) The index of the element in the list. """

    if isinstance(index_or_name, six.integer_types):
        return index_or_name

    return lst.index(index_or_name)