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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 _path_to_value(cls, path, parent_dict):
 """Return a value from a dictionary at the given path"""

        keys = cls._path_to_keys(path)

        # Traverse to the tip of the path
        child_dict = parent_dict
        for key in keys[:-1]:
            child_dict = child_dict.get(key)
            if child_dict is None:
                return

        return child_dict.get(keys[-1])