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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 _listAttrGroupMembers(self, attrGroup):
 """ Returns a list of all members in the attribute group. """

        from inspect import getmembers, ismethod
        methods = getmembers(self, ismethod)
        group_prefix = attrGroup + '_'
        group_len = len(group_prefix)
        group_members = [method[0][group_len:]
                         for method in methods
                         if method[0].startswith(group_prefix)]
        return group_members