Successfully addressed
Just need to save the file after the code to open into the basic ANSI encoding, the place to read the file encoding format does not need to write, write error you will only need to change Encoding to ANSI on it
The file server is running bokeh house cmd file below it, then enter bokeh serve --show (this place is the file name) bokeh serve --show insurance_graph1.py
E.g
bokeh serve --show bokeh serve --show insurance_graph1.py