lab functions done

lab-python-functions.ipynb

@@ -1,55 +1,104 @@
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-    "# Lab | Functions"
+    "products = [\"t-shirt\", \"mug\", \"hat\", \"book\", \"keychain\"]\n",
+    "\n"
    ]
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+    {
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+     "output_type": "stream",
+     "text": [
+      "Enter the quantity of each product:\n"
+     ]
+    }
+   ],
    "source": [
-    "## Exercise: Managing Customer Orders with Functions\n",
+    "def initialize_inventory(products):\n",
+    "    inventory = {}\n",
+    "    print(\"Enter the quantity of each product:\")\n",
+    "    for product in products:\n",
+    "        quantity = int(input(f\"Enter the quantity of {product}: \"))\n",
+    "        inventory[product] = quantity\n",
     "\n",
-    "In the previous exercise, you improved the code for managing customer orders by using loops and flow control. Now, let's take it a step further and refactor the code by introducing functions.\n",
+    "    return inventory\n",
     "\n",
-    "Follow the steps below to complete the exercise:\n",
+    "def get_customer_orders():\n",
+    "    customer_orders = set()\n",
+    "    while True:\n",
+    "        item = input(f\"Enter product you want to order ['t-shirt', 'mug', 'hat', 'book', 'keychain']: \")\n",
+    "        while item not in products:\n",
+    "            item = input(\"❌Invalid product.Please choose from this list ['t-shirt', 'mug', 'hat', 'book', 'keychain']:\")\n",
     "\n",
-    "1. Define a function named `initialize_inventory` that takes `products` as a parameter. Inside the function, implement the code for initializing the inventory dictionary using a loop and user input.\n",
+    "        customer_orders.add(item)\n",
     "\n",
-    "2. Define a function named `get_customer_orders` that takes no parameters. Inside the function, implement the code for prompting the user to enter the product names using a loop. The function should return the `customer_orders` set.\n",
+    "        another = input(\"Do you want to order another product? (yes/no): \")\n",
+    "        if another != \"yes\":\n",
+    "            break\n",
     "\n",
-    "3. Define a function named `update_inventory` that takes `customer_orders` and `inventory` as parameters. Inside the function, implement the code for updating the inventory dictionary based on the customer orders.\n",
+    "    return customer_orders\n",
     "\n",
-    "4. Define a function named `calculate_order_statistics` that takes `customer_orders` and `products` as parameters. Inside the function, implement the code for calculating the order statistics (total products ordered, and percentage of unique products ordered). The function should return these values.\n",
+    "def update_inventory(inventory, customer_orders):\n",
+    "    for item in customer_orders:\n",
+    "        if inventory[item] > 0:\n",
+    "            inventory[item] -= 1\n",
+    "        else:\n",
+    "            print(f\"The product {item} is not available in the inventory.\")\n",
     "\n",
-    "5. Define a function named `print_order_statistics` that takes `order_statistics` as a parameter. Inside the function, implement the code for printing the order statistics.\n",
+    "    return inventory\n",
     "\n",
-    "6. Define a function named `print_updated_inventory` that takes `inventory` as a parameter. Inside the function, implement the code for printing the updated inventory.\n",
+    "def calculate_order_statistics(customer_orders, products):\n",
+    "    total_products_ordered = len(customer_orders)\n",
+    "    percentage_ordered = total_products_ordered / len(products) * 100\n",
+    "    order_status = (total_products_ordered, percentage_ordered)\n",
+    "    # return total_products_ordered, percentage_ordered\n",
+    "    return order_status\n",
     "\n",
-    "7. Call the functions in the appropriate sequence to execute the program and manage customer orders.\n",
+    "def print_order_statistics(order_statistics):\n",
+    "    print(\"Order Statistics:\")\n",
+    "    print(\"Total Products Ordered:\", order_statistics[0])\n",
+    "    print(\"Percentage of Products Ordered:\", order_statistics[1], \"%\")\n",
     "\n",
-    "Hints for functions:\n",
+    "def print_updated_inventory(inventory):\n",
+    "    print(\"Inventory after order:\")\n",
+    "    for item in inventory:\n",
+    "        print(item, inventory[item])\n",
     "\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"
+    "inventory = initialize_inventory(products)\n",
+    "customer_orders = get_customer_orders()\n",
+    "inventory = update_inventory(inventory, customer_orders)\n",
+    "order_statistics = calculate_order_statistics(customer_orders, products)\n",
+    "print_order_statistics(order_statistics)\n",
+    "print_updated_inventory(inventory)\n"
    ]
+  },
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@@ -61,7 +110,7 @@
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