parameters: (self, index, chars, *args)
docstring: Insert CHARS before the characters at INDEX. An additional
          tag can be given in ARGS. Additional CHARS and tags can follow in ARGS.
docstring_summary: Insert CHARS before the characters at INDEX. An additional
          tag can be given in ARGS. Additional CHARS and tags can follow in ARGS.
docstring_tokens: Insert CHARS before the characters at INDEX . An additional tag can be given in ARGS . Additional CHARS and tags can follow in ARGS .
function: def insert(self, index, chars, *args):
          """Insert CHARS before the characters at INDEX. An additional
          tag can be given in ARGS. Additional CHARS and tags can follow in ARGS."""
          self.tk.call((self._w, 'insert', index, chars) + args)
function_tokens: def insert ( self , index , chars , * args ) : self . tk . call ( ( self . _w , 'insert' , index , chars ) + args )