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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 do_form_dash_instance(self, replacements=None, specific_identifier=None, cache_id=None):
        'Perform the act of constructing a Dash instance taking into account state'

        ndid, base_pathname = self.get_base_pathname(specific_identifier, cache_id)
        return self.form_dash_instance(replacements, ndid, base_pathname)