uml_test.MD

class Climate:
    def __init__(self):
        pass

class Animal:
    def __init__(self):
        self._climate = Climate

class WildGoode:
    def __init__(self):
        pass

class WildGoodeAggregate:
    def __init__(self):
         self._arrayWildGoose:WildGoode[WildGoode] = []

class Wing:
    def __init__(self):
        pass

class bird:
    def __init__(self):
        self._wing_a = Wing()
        self._wing_b = Wing()

class Oxygen:
    def __init__(self):
        pass

class Water:
    def __init__(self):
        pass

class Animal2:
    def metabolism(self,oxygen:Oxygen,water:Water):
        pass