code: def currentSelected(self):
          
          if self.commaRadioButton.isChecked():
              return ','
          elif self.semicolonRadioButton.isChecked():
              return ';'
          elif self.tabRadioButton.isChecked():
              return '\t'
          elif self.otherRadioButton.isChecked():
              return self.otherSeparatorLineEdit.text()
          return
docs: Returns the currently selected delimiter character.
  
          Returns:
              str: One of `,`, `;`, `\t`, `*other*`.