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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 returns(self):
 """Gets a string showing the return type and modifiers for the function in a nice display format."""

        kind = "({}) ".format(self.kind) if self.kind is not None else ""      
        mods = ", ".join(self.modifiers) + " "
        dtype = self.dtype if self.dtype is not None else ""
        return "{}{}{}".format(dtype, kind, mods)