Inventory Management System

Basic Inventory Management System in Python

class InventoryManagementSystem:
    def __init__(self):
        self.inventory = {}

    def add_item(self, item_name, quantity, price):
        if item_name in self.inventory:
            self.inventory[item_name]['quantity'] += quantity
        else:
            self.inventory[item_name] = {'quantity': quantity, 'price': price}
        print(f"Added {quantity} of {item_name}.")

    def update_item(self, item_name, quantity=None, price=None):
        if item_name in self.inventory:
            if quantity is not None:
                self.inventory[item_name]['quantity'] = quantity
            if price is not None:
                self.inventory[item_name]['price'] = price
            print(f"Updated {item_name}.")
        else:
            print(f"{item_name} not found in inventory.")

    def delete_item(self, item_name):
        if item_name in self.inventory:
            del self.inventory[item_name]
            print(f"Deleted {item_name} from inventory.")
        else:
            print(f"{item_name} not found in inventory.")

    def view_inventory(self):
        if not self.inventory:
            print("Inventory is empty.")
            return
        for item, details in self.inventory.items():
            print(f"Item: {item}, Quantity: {details['quantity']}, Price: ${details['price']:.2f}")

    def search_item(self, item_name):
        if item_name in self.inventory:
            details = self.inventory[item_name]
            print(f"Found {item_name}: Quantity: {details['quantity']}, Price: ${details['price']:.2f}")
        else:
            print(f"{item_name} not found in inventory.")


def main():
    ims = InventoryManagementSystem()
    
    while True:
        print("\nInventory Management System")
        print("1. Add Item")
        print("2. Update Item")
        print("3. Delete Item")
        print("4. View Inventory")
        print("5. Search Item")
        print("6. Exit")
        choice = input("Choose an option: ")

        if choice == '1':
            name = input("Enter item name: ")
            qty = int(input("Enter quantity: "))
            price = float(input("Enter price: "))
            ims.add_item(name, qty, price)
        elif choice == '2':
            name = input("Enter item name to update: ")
            qty = input("Enter new quantity (leave blank to keep current): ")
            price = input("Enter new price (leave blank to keep current): ")
            qty = int(qty) if qty else None
            price = float(price) if price else None
            ims.update_item(name, qty, price)
        elif choice == '3':
            name = input("Enter item name to delete: ")
            ims.delete_item(name)
        elif choice == '4':
            ims.view_inventory()
        elif choice == '5':
            name = input("Enter item name to search: ")
            ims.search_item(name)
        elif choice == '6':
            print("Exiting the Inventory Management System.")
            break
        else:
            print("Invalid choice. Please try again.")

if __name__ == "__main__":
    main()

Features of the System

1. Add Item: Allows adding new items to the inventory.
2. Update Item: Allows updating the quantity and/or price of existing items.
3. Delete Item: Removes items from the inventory.
4. View Inventory: Displays all items with their quantities and prices.
5. Search Item: Searches for a specific item in the inventory.

How to Run the Code

1. Copy the code into a Python file, e.g., inventory_management.py.
2. Run the file using Python: python inventory_management.py.
3. Follow the on-screen menu to interact with the system.