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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 init_properties(self) -> 'PygalleBaseClass': """ Initialize the Pigalle properties. # Returns: PygalleBaseClass: The current instance. """

        self._pigalle = {
            PygalleBaseClass.__KEYS.INTERNALS: dict(),
            PygalleBaseClass.__KEYS.PUBLIC: dict()
        }
        return self