Invalid syntax

File "shopping_list.py", line 22                                                                    
    show_help()                                                                                       
            ^                                                                                         
SyntaxError: invalid syntax  

shopping_list = []

def show_help():
    print("What should we pick up at the store?")
    print("""
Enter 'DONE' to stop adding items.
Enter 'HELP' for this help.'
""")

def add_to_list(item):
    shopping_list.append(item)
    print("{} was added to your shopping list.\nYou have {} items in your cart".format(item, len(shopping_list)))


# Define a fuinction named show_list that prints out all the items in the list
def show_list():
    print("Shopping Cart:\n")
    for item in shopping_list:
        print("Item: {}".format(item)


show_help()       
while True:
    new_item = input("> ")
    if new_item == "DONE":
        break
    elif new_item == 'HELP':
        show_help()
        continue  
    add_to_list(new_item)