code: def classname(self):
      
      if inspect.isclass(self):
          string = str(self)
      else:
          string = str(type(self))
      try:
          string = string.split("'")[1]
      except IndexError:
          pass
      return string.split('.')[-1]
docs: Return the class name of the given instance object or class.
  
      >>> from hydpy.core.objecttools import classname
      >>> from hydpy import pub
      >>> print(classname(float))
      float
      >>> print(classname(pub.options))
      Options