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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 conditions_met(self, instance, state):
 """ Check if all conditions have been met """

        transition = self.get_transition(state)

        if transition is None:
            return False
        elif transition.conditions is None:
            return True
        else:
            return all(map(lambda condition: condition(instance), transition.conditions))