def clear_bpbynumber(self, arg):
        try:
            number = int(arg)
        except:
            return arg % 'Non-numeric breakpoint number (%s)'
        try:
            bp = Breakpoint.bpbynumber[number]
        except IndexError:
            return 'Breakpoint number (%d) out of range' % number
        if not bp:
            return 'Breakpoint (%d) already deleted' % number
        self.clear_break(bp.file, bp.line)
dataset/ETHPy150Open babble/babble/include/jython/Lib/bdb.py/Bdb.clear_bpbynumber/swapped operands of `%`