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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 close(self):
 """Closes the gzip with care to handle multiple members. """

        if self.fileobj is None:
            return
        if self.mode == WRITE:
            self.close_member()
            self.fileobj = None
        elif self.mode == READ:
            self.fileobj = None
            
        if self.myfileobj:
            self.myfileobj.close()
            self.myfileobj = None