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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 default(self, user_input):
        ''' if no other command was invoked '''
        try:
            for i in self._cs.disasm(unhexlify(self.cleanup(user_input)), self.base_address):
                print("0x%08x:\t%s\t%s" %(i.address, i.mnemonic, i.op_str))
        except CsError as e:
            print("Error: %s" %e)