def pizza_counter():
    global pizza_sold
    pizza_seller = input("Enter employee who sold it")
    pizza_name = input("Enter the pizza to update")
    pizza_amount = int(input("Enter how much by"))

    print(pizza_amount)
    print(pizza_sold)
    pizza_sold[pizza_seller][pizza_name] += pizza_amount

    print(pizza_sold)



error message = Traceback (most recent call last):
10
  File "C:/Users/Nilay - School/PycharmProjects/Pizza-Sales-Counter/main.py", line 56, in <module>
    menu()
  File "C:/Users/Nilay - School/PycharmProjects/Pizza-Sales-Counter/main.py", line 54, in menu
    menu_options[command]()
  File "C:/Users/Nilay - School/PycharmProjects/Pizza-Sales-Counter/main.py", line 40, in pizza_counter
    pizza_sold[pizza_seller][pizza_name] += pizza_amount
{'John': {'Margarita': {'amount': 0, 'income': 0}, 'Marinara': {'amount': 0, 'income': 0}, 'Pepperoni': {'amount': 0, 'income': 0}, 'Veggie': {'amount': 0, 'income': 0}, 'Chicken': {'amount': 0, 'income': 0}, 'Four cheeses': {'amount': 0, 'income': 0}, 'Hawaiian': {'amount': 0, 'income': 0}}, 'Susan': {'Margarita': {'amount': 0, 'income': 0}, 'Marinara': {'amount': 0, 'income': 0}, 'Pepperoni': {'amount': 0, 'income': 0}, 'Veggie': {'amount': 0, 'income': 0}, 'Chicken': {'amount': 0, 'income': 0}, 'Four cheeses': {'amount': 0, 'income': 0}, 'Hawaiian': {'amount': 0, 'income': 0}}, 'Lauren': {'Margarita': {'amount': 0, 'income': 0}, 'Marinara': {'amount': 0, 'income': 0}, 'Pepperoni': {'amount': 0, 'income': 0}, 'Veggie': {'amount': 0, 'income': 0}, 'Chicken': {'amount': 0, 'income': 0}, 'Four cheeses': {'amount': 0, 'income': 0}, 'Hawaiian': {'amount': 0, 'income': 0}}, 'Alex': {'Margarita': {'amount': 0, 'income': 0}, 'Marinara': {'amount': 0, 'income': 0}, 'Pepperoni': {'amount': 0, 'income': 0}, 'Veggie': {'amount': 0, 'income': 0}, 'Chicken': {'amount': 0, 'income': 0}, 'Four cheeses': {'amount': 0, 'income': 0}, 'Hawaiian': {'amount': 0, 'income': 0}}}
TypeError: unsupported operand type(s) for +=: 'dict' and 'int'

Process finished with exit code 1