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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 copy(self):
 """Create a copy of a BinaryQuadraticModel. Returns: :class:`.BinaryQuadraticModel` Examples: """

        # new objects are constructed for each, so we just need to pass them in
        return BinaryQuadraticModel(self.linear, self.quadratic, self.offset, self.vartype, **self.info)