code: def to_excel(self, *args):
          
          path = os.getcwd()
          fname = self.fname.replace(".tpl", "_tpl") + ".xlsx"
          idxs = self.filter_trends("")
          for idx in idxs:
              self.extract(idx)
          data_df = pd.DataFrame(self.data)
          data_df.columns = self.label.values()
          data_df.insert(0, "Time [s]", self.time)
          if len(args) > 0 and args[0] != "":
              path = args[0]
              if os.path.exists(path) == False:
                  os.mkdir(path)
              data_df.to_excel(path + os.sep + fname)
          else:
              data_df.to_excel(self.path + os.sep + fname)
docs: Dump all the data to excel, fname and path can be passed as args