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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 from_chord_shorthand(self, shorthand):
 """Empty the container and add the notes in the shorthand. See mingus.core.chords.from_shorthand for an up to date list of recognized format. Example: ['A-4', 'C-5', 'E-5'] """

        self.empty()
        self.add_notes(chords.from_shorthand(shorthand))
        return self