diff --git a/lab-python-functions.ipynb b/lab-python-functions.ipynb index 44d337b..1964864 100644 --- a/lab-python-functions.ipynb +++ b/lab-python-functions.ipynb @@ -8,6 +8,281 @@ "# Lab | Functions" ] }, + { + "cell_type": "markdown", + "id": "f3641192", + "metadata": {}, + "source": [ + "## Exercise: Managing Customer Orders with Functions\n" + ] + }, + { + "cell_type": "code", + "execution_count": null, + "id": "10247dda", + "metadata": {}, + "outputs": [], + "source": [ + "# Products :\n", + "products = [\"t-shirt\", \"mug\", \"hat\", \"book\", \"keychain\"]\n", + "\n", + "# 1. Define a function named `initialize_inventory` that takes `products` as a parameter. \n", + "# Inside the function, implement the code for initializing the inventory dictionary using a loop and user input:\n", + "\n", + "def initialize_inventory(products):\n", + " \n", + " inventory = {}\n", + " print(\"\\nInventory\")\n", + "\n", + " for product in products:\n", + " quantity = int(input(f\"Enter the available quantity for {product}: \"))\n", + " inventory[product] = quantity\n", + "\n", + " return inventory\n", + "\n", + "# 2. Define a function named `get_customer_orders` that takes no parameters. \n", + "# Inside the function, implement the code for prompting the user to enter the product names using a loop. \n", + "# The function should return the `customer_orders` set:\n", + "\n", + "def get_customer_orders():\n", + " \n", + " customer_orders = set()\n", + " print(\"\\nCustomer order:\" )\n", + "\n", + " while True:\n", + " product_name = input(\"Enter the name of a product to add to the order: \").strip().lower()\n", + "\n", + " if product_name in products:\n", + " customer_orders.add(product_name)\n", + " print(f\"{product_name} added to the order.\")\n", + " else:\n", + " print(\"Invalid product, this item will be ignored.\")\n", + "\n", + " another = input(\"Do you want to add another product? (yes/no): \").strip().lower()\n", + " if another not in (\"yes\", \"y\", \"Yes\", \"Y\", \"YES\"):\n", + " break\n", + "\n", + " return customer_orders\n", + "\n", + "# 3. Define a function named `update_inventory` that takes `customer_orders` and `inventory` as parameters. \n", + "# Inside the function, implement the code for updating the inventory dictionary based on the customer orders:\n", + "\n", + "def update_inventory(customer_orders, inventory):\n", + "\n", + " for ordered_product in customer_orders:\n", + " if inventory.get(ordered_product, 0) > 0:\n", + " inventory[ordered_product] -= 1\n", + " else:\n", + " print(f\"Warning: no inventory left for '{ordered_product}'.\")\n", + "\n", + "# 4. Define a function named `calculate_order_statistics` that takes `customer_orders` and `products` as parameters. \n", + "# Inside the function, implement the code for calculating the order statistics (total products ordered, and percentage of unique products ordered). \n", + "# The function should return these values:\n", + "\n", + "def calculate_order_statistics(customer_orders, products):\n", + "\n", + " total_products_ordered = len(customer_orders)\n", + " percentage_ordered = (total_products_ordered / len(products)) * 100\n", + " return total_products_ordered, percentage_ordered\n", + "\n", + "# 5. Define a function named `print_order_statistics` that takes `order_statistics` as a parameter. \n", + "# Inside the function, implement the code for printing the order statistics:\n", + "\n", + "def print_order_statistics(order_statistics):\n", + " \n", + " total_products_order, percentage_order = order_statistics\n", + "#Tuple unpacking : to assign the values of a tuple to multiple variables in a single line\n", + "\n", + " print(\"\\nOrder Statistics:\")\n", + " print(f\"Total Products Ordered: {total_products_order}\")\n", + " print(f\"Percentage of Products Ordered: {percentage_order:.2f}%\")\n", + "\n", + "#6. Define a function named `print_updated_inventory` that takes `inventory` as a parameter. \n", + "# Inside the function, implement the code for printing the updated inventory:\n", + "def print_updated_inventory(inventory):\n", + " \n", + " print(\"\\nUpdated Inventory\")\n", + " for product in products:\n", + " print(f\"{product}: {inventory[product]}\")\n", + "\n", + "# 7. Call the functions in the appropriate sequence to execute the program and manage customer orders.\n", + "# Hints for functions:\n", + "# - Consider the input parameters required for each function and their return values.\n", + "# - Utilize function parameters and return values to transfer data between functions.\n", + "# - Test your functions individually to ensure they work correctly.\n", + "\n", + "\n", + "def final_inventory():\n", + " \n", + " inventory = initialize_inventory(products)\n", + "\n", + " \n", + " customer_orders = get_customer_orders()\n", + "\n", + " \n", + " order_stats = calculate_order_statistics(customer_orders, products)\n", + "\n", + " \n", + " update_inventory(customer_orders, inventory)\n", + "\n", + " \n", + " print_order_statistics(order_stats)\n", + " print_updated_inventory(inventory)\n", + "\n", + "\n", + "if __name__ == \"__main__\":\n", + " final_inventory()\n" + ] + }, + { + "cell_type": "markdown", + "id": "5f167888", + "metadata": {}, + "source": [ + "## Exercise: Managing Customer Orders with Functions\n" + ] + }, + { + "cell_type": "code", + "execution_count": 1, + "id": "b9e16173", + "metadata": {}, + "outputs": [ + { + "name": "stdout", + "output_type": "stream", + "text": [ + "\n", + "Inventory\n", + "\n", + "Customer order:\n", + "mug added to the order.\n", + "\n", + "Order Statistics:\n", + "Total Products Ordered: 1\n", + "Percentage of Products Ordered: 20.00%\n", + "\n", + "Updated Inventory\n", + "t-shirt: 5\n", + "mug: 4\n", + "hat: 5\n", + "book: 5\n", + "keychain: 5\n" + ] + } + ], + "source": [ + "# Products :\n", + "products = [\"t-shirt\", \"mug\", \"hat\", \"book\", \"keychain\"]\n", + "\n", + "# 1. Define a function named `initialize_inventory` that takes `products` as a parameter. \n", + "# Inside the function, implement the code for initializing the inventory dictionary using a loop and user input:\n", + "\n", + "def initialize_inventory(products):\n", + " \n", + " inventory = {}\n", + " print(\"\\nInventory\")\n", + "\n", + " for product in products:\n", + " quantity = int(input(f\"Enter the available quantity for {product}: \"))\n", + " inventory[product] = quantity\n", + "\n", + " return inventory\n", + "\n", + "# 2. Define a function named `get_customer_orders` that takes no parameters. \n", + "# Inside the function, implement the code for prompting the user to enter the product names using a loop. \n", + "# The function should return the `customer_orders` set:\n", + "\n", + "def get_customer_orders():\n", + " \n", + " customer_orders = set()\n", + " print(\"\\nCustomer order:\" )\n", + "\n", + " while True:\n", + " product_name = input(\"Enter the name of a product to add to the order: \").strip().lower()\n", + "\n", + " if product_name in products:\n", + " customer_orders.add(product_name)\n", + " print(f\"{product_name} added to the order.\")\n", + " else:\n", + " print(\"Invalid product, this item will be ignored.\")\n", + "\n", + " another = input(\"Do you want to add another product? (yes/no): \").strip().lower()\n", + " if another not in (\"yes\", \"y\", \"Yes\", \"Y\", \"YES\"):\n", + " break\n", + "\n", + " return customer_orders\n", + "\n", + "# 3. Define a function named `update_inventory` that takes `customer_orders` and `inventory` as parameters. \n", + "# Inside the function, implement the code for updating the inventory dictionary based on the customer orders:\n", + "\n", + "def update_inventory(customer_orders, inventory):\n", + "\n", + " for ordered_product in customer_orders:\n", + " if inventory.get(ordered_product, 0) > 0:\n", + " inventory[ordered_product] -= 1\n", + " else:\n", + " print(f\"Warning: no inventory left for '{ordered_product}'.\")\n", + "\n", + "# 4. Define a function named `calculate_order_statistics` that takes `customer_orders` and `products` as parameters. \n", + "# Inside the function, implement the code for calculating the order statistics (total products ordered, and percentage of unique products ordered). \n", + "# The function should return these values:\n", + "\n", + "def calculate_order_statistics(customer_orders, products):\n", + "\n", + " total_products_ordered = len(customer_orders)\n", + " percentage_ordered = (total_products_ordered / len(products)) * 100\n", + " return total_products_ordered, percentage_ordered\n", + "\n", + "# 5. Define a function named `print_order_statistics` that takes `order_statistics` as a parameter. \n", + "# Inside the function, implement the code for printing the order statistics:\n", + "\n", + "def print_order_statistics(order_statistics):\n", + " \n", + " total_products_order, percentage_order = order_statistics\n", + "#Tuple unpacking : to assign the values of a tuple to multiple variables in a single line\n", + "\n", + " print(\"\\nOrder Statistics:\")\n", + " print(f\"Total Products Ordered: {total_products_order}\")\n", + " print(f\"Percentage of Products Ordered: {percentage_order:.2f}%\")\n", + "\n", + "#6. Define a function named `print_updated_inventory` that takes `inventory` as a parameter. \n", + "# Inside the function, implement the code for printing the updated inventory:\n", + "def print_updated_inventory(inventory):\n", + " \n", + " print(\"\\nUpdated Inventory\")\n", + " for product in products:\n", + " print(f\"{product}: {inventory[product]}\")\n", + "\n", + "# 7. Call the functions in the appropriate sequence to execute the program and manage customer orders.\n", + "# Hints for functions:\n", + "# - Consider the input parameters required for each function and their return values.\n", + "# - Utilize function parameters and return values to transfer data between functions.\n", + "# - Test your functions individually to ensure they work correctly.\n", + "\n", + "\n", + "def final_inventory():\n", + " \n", + " inventory = initialize_inventory(products)\n", + "\n", + " \n", + " customer_orders = get_customer_orders()\n", + "\n", + " \n", + " order_stats = calculate_order_statistics(customer_orders, products)\n", + "\n", + " \n", + " update_inventory(customer_orders, inventory)\n", + "\n", + " \n", + " print_order_statistics(order_stats)\n", + " print_updated_inventory(inventory)\n", + "\n", + "\n", + "if __name__ == \"__main__\":\n", + " final_inventory()\n" + ] + }, { "cell_type": "markdown", "id": "0c581062-8967-4d93-b06e-62833222f930", @@ -47,7 +322,7 @@ ], "metadata": { "kernelspec": { - "display_name": "Python 3 (ipykernel)", + "display_name": "base", "language": "python", "name": "python3" }, @@ -61,7 +336,7 @@ "name": "python", "nbconvert_exporter": "python", "pygments_lexer": "ipython3", - "version": "3.9.13" + "version": "3.13.5" } }, "nbformat": 4,