code: def _skip_remove(self):
          
          if "--checklist" not in self.extra:
              self.msg.template(78)
              print("| Insert packages to exception remove:")
              self.msg.template(78)
              try:
                  self.skip = raw_input(" > ").split()
              except EOFError:
                  print("")
                  raise SystemExit()
          for s in self.skip:
              if s in self.removed:
                  self.removed.remove(s)
docs: Skip packages from remove