while again_choice == 1:
if book_choice == 1:
while menu_choice != 4:
print("Please chose the number to indicate which option you would like to choose")
print("1. Add inventory")
print("2. Decrease inventory")
print("3. Change price")
print("4. Leave everything how it is")
menu_choice = int(input("> "))
if menu_choice == 1:
print("You chose to add inventory")
addition = input("How many books did we add: ")
textbook_1.add_inventory(addition)
print(textbook_1.quantity_in_inventory)
elif menu_choice == 2:
print("You chose to decrease inventory")
lose = input("How many books did we sell: ")
textbook_1.decrease_inventory(lose)
print(textbook_1.quantity_in_inventory)
elif menu_choice == 3:
print("You chose to change the price")
print(f"The current price is: ${textbook_1.price}")
textbook_1.price = float(input("The price is now: $"))
elif menu_choice == 4:
print("You chose to leave this book as it is.")
else:
print("Invalid choice")
elif book_choice == 2:
print("Please make a choice from the menu:")
print("1. Add to inventory")
print("2. Deduct from inventory")
print("3. Change the price of the book")
print("4. Change the year the book was published")
print("5. End program, Have a good day!")
menu_choice = int(input())
# Break down which book is chosen in each function
if menu_choice == 1:
print("Book 1 or Book 2?")
choice = int(input())
if choice == 1:
qty = int(
input("How much would you like to add to the inventory?"))
book1.add_inventory(qty)
print("The quantity in the inventory is now" + ' ' +
str(book1.quantity) + "\n\n")
else:
print("The quantity in book 2 is now" + ' ' + str(book2.quantity) +
"\n\n")
elif menu_choice == 2:
print("Book 1 or 2?")
choice = int(input())
if choice == 1:
qty = int(input("How many would you like to remove?"))
result = book1.deducting_inventory(qty)
elif choice == 2:
qty = int(input("How many would you like to remove?"))
result = book2.deducting_inventory(qty)
if result == 0:
print(book1.description())
elif choice == "2":
print(book2.description())
else:
print("Bye")
# add or remove stock. adds or removes from current stock
elif choose == "3":
print(f"Update inventory for:\n{title} [1]\n{title2} [2]")
choice = input("> ")
if choice == "1":
print(f"For {title}:\nAdd inventory [1]\nDeduct inventory [2]")
choice1 = input("> ")
if choice1 == "1":
new_stock = input("New incoming stock\n> ")
new_stock = int(new_stock)
inven = book1.add_inventory(new_stock)
print(inven)
elif choice1 == "2":
lost = input("Out-going stock\n> ")
lost = int(lost)
inven = book1.deduct_inventory(lost)
print(inven)
else:
print("Bye")
if choice == "2":
print(f"For {title2}:\nAdd inventory [1]\nDeduct inventory [2]")
choice1 = input("> ")
if choice1 == "1":
new_stock = input("New incoming stock\n> ")
new_stock = int(new_stock)
inven = book2.add_inventory(new_stock)
