code: def do_rmpostfix(self, arg):
          
          altered = False
          if arg in self.curargs["functions"]:
              del self.curargs["functions"][arg]
              altered = True
          elif arg == "*":
              for varname in list(self.curargs["functions"].keys()):
                  del self.curargs["functions"][varname]
              altered = True
          if altered:
              self.do_postfix("list")
docs: Removes a postfix function from a variable. See 'postfix'.