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# Python From Scratch
# Autor: Nilo Ney Coutinho Menezes
# Editora Novatec (c) 2010-2024
# Site: https://pythonfromscratch.com
#
# File: listing\chapter 06\06.22 - Example of a dictionary with inventory and sales operations.py
# Description: Example of a dictionary with inventory and sales operations
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stock = {"tomato": [1000, 2.30],
         "lettuce": [ 500, 0.45],
         "potato": [2001, 1.20],
         "bean": [ 100, 1.50]}
sale = [["tomato", 5], ["potato", 10], ["lettuce", 5]]
total = 0
print("Sales:\n")
for operation in sale:
    product, quantity = operation
    price = stock[product][1]
    cost = price * quantity
    print(f"{product:12s}: {quantity:3d} x {price:6.2f} = {cost:6.2f}")
    stock[product][0] -= quantity
    total += cost
print(f" Total cost: {total:21.2f}\n")
print("Stock:\n")
for key, data in stock.items ():
    print("Description: ", key)
    print("Quantity: ", data [0])
    print(f"Price: {data[1]:6.2f}\n")