contents computer generated art creating computer art computer art generator fractals in python the koch snowflake mandelbrot set online resources exercises introduction to matplotlib introduction matplotlib plot components matplotlib architecture backend layer the artist layer the scripting layer online resources graphing with matplotlib pyplot introduction the pyplot api line graphs coded format strings scatter graph when to use scatter graphs pie charts expanding segments when to use pie charts bar charts horizontal bar charts coloured bars stacked bar charts grouped bar charts figures and subplots graphs exercises graphical user interfaces introduction guis and wimps