appendix hcomplete programs color color value cmd gotocommand width command = radius float radius value width width color color value cmd circlecommand width command = color color value cmd beginfillcommand command = cmd endfillcommand command =penup cmd penupcommand command =pendown cmd pendowncommand else unknown command command graphicscommands append cmd def filename askopenfilename = graphics newwindow new graphicscommands commands from parse filename cmd graphicscommands cmd draw window drawn update add_command load ,commandl def dt filename askopenfilename = graphics penup goto pendown # # cmd penupcommand graphicscommands append cmd cmd gotocommand # graphicscommands append cmd cmd pendowncommand graphicscommands append cmd update parse filename cmd graphicscommands cmd draw this copy belongs to 'acha