the following program can be used to generate koch snowflake with different levels of recursion the larger the number of levels of recursion the more times each line segment is dissected import turtle set up constants angles [ - size_of_snowflake def get_input_depth()""obtain input from user and convert to an int""message 'please provide the depth ( or positive interger):value_as_string input(messagewhile not value_as_string isnumeric()print('the input must be an integer!'value_as_string input(messagereturn int(value_as_stringdef setup_screen(titlebackground='white'screen_size_x= screen_size_y= tracer_size= )print('set up screen'turtle title(titleturtle setup(screen_size_xscreen_size_yturtle hideturtle(turtle penup(turtle backward( batch drawing to the screen for faster rendering turtle tracer(tracer_sizeturtle bgcolor(backgroundset the background colour of the screen