appendix hcomplete programs ; draw format the game format computer human - wt def canvas row app super val row row col col app penup ht goto * + ,row * + def horc horc =computer shape else shape drop def getowner return def row def drop goto , screen speed self st goto * + row * + goto * + row * + goto * + row * + screen frame def =none super pack buildwindow running def buildwindow connect four menu menu bar add_command ,commands add_cascade ,menuf menub this copy belongs to 'acha