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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 mapping(self, struct, key_depth=1000, tree_depth=1, update_callable=None):
 """ Generates random values for dict-like objects @struct: the dict-like structure you want to fill with random data @size: #int number of random values to include in each @tree_depth @tree_depth: #int dict tree dimensions size, i.e. 1=|{key: value}| 2=|{key: {key: value}, key2: {key2: value2}}| @update_callable: #callable method which updates data in your dict-like structure - e.g. :meth:builtins.dict.update -> random @struct .. from collections import UserDict from vital.debug import RandData class MyDict(UserDict):
 pass rd = RandData(int) my_dict = MyDict() rd.dict(my_dict, 3, 1, my_dict.update) # -> { # 'SE0ZNy0F6O': 42078648993195761, # 'pbK': 70822820981335987, # '0A5Aa7': 17503122029338459} .. """

        if not tree_depth:
            return self._map_type()
        _struct = struct()
        add_struct = _struct.update if not update_callable \
            else getattr(_struct, update_callable)
        for x in range(key_depth):
            add_struct({
                self.randstr: self.mapping(
                    struct, key_depth, tree_depth-1, update_callable)
            })
        return _struct