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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 handle_overrides(graph, overrides):
 """ Handle any overrides for this model configuration. Parameters graph : dict or object A dictionary (or an ObjectProxy) containing the object graph loaded from a YAML file. overrides : dict A dictionary containing overrides to apply. The location of the override is specified in the key as a dot-delimited path to the desired parameter, e.g. "model.corruptor.corruption_level". """

    for key in overrides:
        levels = key.split('.')
        part = graph
        for lvl in levels[:-1]:
            try:
                part = part[lvl]
            except KeyError:
                raise KeyError("'%s' override failed at '%s'", (key, lvl))
        try:
            part[levels[-1]] = overrides[key]
        except KeyError:
            raise KeyError("'%s' override failed at '%s'", (key, levels[-1]))