Inventory System

inventory = {}

print("=== Inventory System ===")
while True:
    print("\n1. Item add karo")
    print("2. Stock update karo")
    print("3. Item remove karo")
    print("4. Inventory dekho")
    print("5. Low stock (5 se kam)")
    print("6. Baahar jao")
    ch = input("Choice: ")
    if ch == "1":
        item  = input("Item naam: ")
        qty   = int(input("Quantity: "))
        price = float(input("Price (Rs): "))
        inventory[item] = {"qty": qty, "price": price}
        print(f"Item add ho gaya: {item}")
    elif ch == "2":
        item = input("Item naam: ")
        if item in inventory:
            add = int(input("Kitna add karein: "))
            inventory[item]["qty"] += add
            print(f"Updated! New qty: {inventory[item]['qty']}")
        else:
            print("Item nahi mila!")
    elif ch == "3":
        item = input("Item naam: ")
        if inventory.pop(item, None):
            print(f"Item remove hua: {item}")
        else:
            print("Item nahi mila!")
    elif ch == "4":
        if not inventory:
            print("Inventory khaali hai!")
        else:
            print(f"\n{'Item':15} {'Qty':8} {'Price':10} {'Value'}")
            print("-" * 45)
            total = 0
            for k, v in inventory.items():
                val = v['qty'] * v['price']
                total += val
                print(f"  {k:13} {v['qty']:8} Rs{v['price']:9.0f} Rs{val:.0f}")
            print(f"\n  Total Inventory Value: Rs{total:.0f}")
    elif ch == "5":
        low = [k for k, v in inventory.items() if v["qty"] < 5]
        print(f"Low Stock items: {low}")
    elif ch == "6":
        break