code: def add_tools(self, *tools):
          ''' Adds tools to the plot.
  
          Args:
              *tools (Tool) : the tools to add to the Plot
  
          Returns:
              None
  
          '''
          for tool in tools:
              if not isinstance(tool, Tool):
                  raise ValueError("All arguments to add_tool must be Tool subclasses.")
  
              self.toolbar.tools.append(toolf add_tools(self, *tools):
          ''' Adds tools to the plot.
  
          Args:
              *tools (Tool) : the tools to add to the Plot
  
          Returns:
              None
  
          '''
          for tool in tools:
              if not isinstance(tool, Tool):
                  raise ValueError("All arguments to add_tool must be Tool subclasses.")
  
              self.toolbar.tools.append(tool)
docs: Adds tools to the plot.
  
          Args:
              *tools (Tool) : the tools to add to the Plot
  
          Returns:
              None