My-Python-Programs/shopping_mart at main · msrihanreddy5-code/My-Python-Programs · GitHub

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inventory = {}

def add_item():
    name = input("Enter item name: ").lower()
    if name in inventory:
        print("Item already exists!")
        return
    try:
        price = float(input("Enter price: "))
        stock = int(input("Enter stock: "))
        inventory[name] = {"price": price, "stock": stock}
        print(f"Item {name} added successfully.")
    except ValueError:
        print("Invalid input for price or stock.")

def edit_item():
    name = input("Enter item name to edit: ").lower()
    if name not in inventory:
        print("Item not found!")
        return
    try:
        price_input = input("Enter new price (leave blank to keep current): ")
        if price_input:
            inventory[name]['price'] = float(price_input)
        stock_input = input("Enter new stock (leave blank to keep current): ")
        if stock_input:
            inventory[name]['stock'] = int(stock_input)
        print(f"Item {name} updated successfully.")
    except ValueError:
        print("Invalid input.")

def view_all_items():
    if not inventory:
        print("Inventory is empty.")
        return
    print("\n--- Current Inventory ---")
    for name, details in inventory.items():
        print(f"Name: {name.capitalize()}, Price: {details['price']}, Stock: {details['stock']}")

def delete_item():
    name = input("Enter item name to delete: ").lower()
    if name in inventory:
        del inventory[name]
        print(f"Item {name} deleted.")
    else:
        print("Item not found.")

def generate_bill():
    if not inventory:
        print("Inventory is empty. Cannot generate bill.")
        return
    bill_items = []
    total = 0.0
    while True:
        name = input("Enter item name for bill (or 'done' to finish): ").lower()
        if name == 'done':
            break
        if name not in inventory:
            print("Item not found in inventory.")
            continue
        try:
            qty = int(input(f"Enter quantity for {name} (Available: {inventory[name]['stock']}): "))
            if qty > inventory[name]['stock']:
                print("Insufficient stock.")
                continue
            cost = inventory[name]['price'] * qty
            inventory[name]['stock'] -= qty
            total += cost
            bill_items.append({"name": name, "qty": qty, "price": inventory[name]['price'], "cost": cost})
        except ValueError:
            print("Invalid quantity.")

    if bill_items:
        print("\n--- Final Bill ---")
        for item in bill_items:
            print(f"{item['name'].capitalize()} x {item['qty']} @ {item['price']} = {item['cost']}")
        print(f"Total: {total}")
        print("------------------")

def search_element():
    name = input("Enter item name to search: ").lower()
    if name in inventory:
        details = inventory[name]
        print(f"Found: {name.capitalize()} - Price: {details['price']}, Stock: {details['stock']}")
    else:
        print("Item not found.")

def main():
    while True:
        print("\nSUPERMARKET")
        print("1. Add Items")
        print("2. Edit items")
        print("3. View all items")
        print("4. Delete items")
        print("5. Generate Bill")
        print("6. Search element")
        print("7. Exit")

        choice = input("Enter your choice: ")

        if choice == '1':
            add_item()
        elif choice == '2':
            edit_item()
        elif choice == '3':
            view_all_items()
        elif choice == '4':
            delete_item()
        elif choice == '5':
            generate_bill()
        elif choice == '6':
            search_element()
        elif choice == '7':
            print("Exiting...")
            break
        else:
            print("Invalid choice. Please try again.")

if __name__ == "__main__":
    main()