Update

def mainmenu: print(" 1.add an item") print("2.record bought item") print("3.i am done") selection = int(input("what do you want to do 1,2 or 3:") ) if selection == 1: whichitem elif selection == 2: whichitem elif selection == 3: exit else: print("Invalid choice") mainmenu def whichitem: print("1.paints") print("2.metallic items") selection = int(input("what do you want to 1or2 :") ) if selection == 1: print("item added") elif selection == 2: print("item added") mainmenu