Shopping-List-Python

import sys,time

sl = []

def mainScreen(): print("%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%") print(" SHOPPING LIST ") print("%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%") print("\nYour list contains",len(sl),"items.\n") print("Please choose from the following options:\n") print("1- add to the list") print("2- delete from the list") print("3- view the list") print("4- quit the program") choice = input("\nchoice: ") if len(choice) > 0: if choice[0] == "1": addScreen() elif choice[0] == "2": deleteScreen() elif choice[0] == "3": viewScreen() elif choice[0] == "4": sys.exit() else: mainScreen() else: mainScreen()

def addScreen(): global sl print("%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%") print(" ADD SCREEN ") print("%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%") print("\n\n") print("Please enter the name of the item that you want to add.") print("Press ENTER to return to the main menu.\n") item = input("\nItem: ") if len(item) > 0: sl.append(item) print("Item added") time.sleep(1) addScreen() else: mainScreen()

def viewScreen(): print("%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%") print(" VIEW SCREEN ") print("%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%") print("\n") for item in sl: print(item)

print("\n")
print("Press enter to return to the main menu")
input()
mainScreen()

def deleteScreen(): global sl print("%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%") print(" DELETE SCREEN ") print("%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%") count = 0 for item in sl: print(count, " - ", item) count = count + 1 print("What number to delete?") choice = input("number: ") if len(choice) > 0: try: del sl[int(choice)] print("Item deleted...") time.sleep(0) except: print("Invalid number") time.sleep(1) deleteScreen()

else:
	mainScreen()

mainScreen()