在Python中模拟指针

这可以明确地完成。

class ref:    def __init__(self, obj): self.obj = obj    def get(self):    return self.obj    def set(self, obj):      self.obj = obja = ref([1, 2])b = aprint(a.get())  # => [1, 2]print(b.get())  # => [1, 2]b.set(2)print(a.get())  # => 2print(b.get())  # => 2