code: def do_condition(self, arg):
          
          args = arg.split(' ', 1)
          try:
              cond = args[1]
          except IndexError:
              cond = None
          try:
              bp = self.get_bpbynumber(args[0].strip())
          except IndexError:
              self.error('Breakpoint number expected')
          except ValueError as err:
              self.error(err)
          else:
              bp.cond = cond
              if not cond:
                  self.message('Breakpoint %d is now unconditional.' % bp.number)
              else:
                  self.message('New condition set for breakpoint %d.' % bp.number)
docs: condition bpnumber [condition]
          Set a new condition for the breakpoint, an expression which
          must evaluate to true before the breakpoint is honored.  If
          condition is absent, any existing condition is removed; i.e.,
          the breakpoint is made unconditional.