comprehension solutions

lab-python-list-comprehension.ipynb

@@ -75,11 +75,152 @@
     "\n",
     "```\n"
    ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "c11a4926",
+   "metadata": {},
+   "source": [
+    "  ```python\n",
+    "        def initialize_inventory(products):\n",
+    "            inventory[i] = {product: int(input(f\"Enter the quantity of {product}s available: \")) for product in products}\n",
+    "            return inventory\n",
+    "\n",
+    "        ```"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 25,
+   "id": "a60b390a",
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "{'t-shirt': 5, 'mug': 5, 'hat': 5, 'book': 5, 'keychain': 5}\n"
+     ]
+    }
+   ],
+   "source": [
+    "products= [\"t-shirt\",\"mug\",\"hat\",\"book\",\"keychain\"] #global variable can call inside\n",
+    "\n",
+    "def initialize_inventory (products):\n",
+    "    inventory = {i : int(input(f\"Enter the quantity of {i}s available\")) for i in products}\n",
+    "    return inventory\n",
+    "#como la variable esta dentro de la funcion, tienes que llamar a la funcion como la variable para poder tenerlo.    \n",
+    "inventory = initialize_inventory(products)\n",
+    "print(inventory)"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "01e670f9",
+   "metadata": {},
+   "source": [
+    "2. Modify the function get_customer_orders so it prompts the user to enter the number of customer orders and gathers the product names using a loop and user input. Use comprehension.\n"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 54,
+   "id": "303f3bb1",
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "{'book': 1, 'mug': 1, 'hat': 1}\n"
+     ]
+    }
+   ],
+   "source": [
+    "def get_customer_orders(products):\n",
+    "    n=int(input(f\"How many products do you want? \").strip()) \n",
+    "    entries = [input(f\"Enter your products {i+1}: \").strip().lower() for i in range(n)]\n",
+    "    return {p: entries.count(p) for p in set(entries)}\n",
+    "customer_orders= get_customer_orders(products)\n",
+    "print(customer_orders)"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "97a54d30",
+   "metadata": {},
+   "source": [
+    "Add a new function to calculate the total price of the customer order. For each product in customer_orders, prompt the user to enter the price of that product. Use comprehension to calculate the total price. Note: assume that the user can only have 1 unit of each product.\n"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "882eb98b",
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "52.04\n"
+     ]
+    }
+   ],
+   "source": [
+    "def price (customer_orders):\n",
+    "    total= sum(float(input(f\"Enter the price of {item}, euros and cents\"))for item in customer_orders)\n",
+    "    return round(total,2)\n",
+    "total_price=price(customer_orders)\n",
+    "print(total_price)"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "77db510b",
+   "metadata": {},
+   "source": [
+    "Modify the update_inventory function to remove the product from the inventory if its quantity becomes zero after fulfilling the customer orders. Use comprehension to filter out the products with a quantity of zero from the inventory."
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 68,
+   "id": "2d473a31",
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "Uptdated inventory: {'t-shirt': 5, 'mug': 4, 'hat': 4, 'book': 0, 'keychain': 5}\n"
+     ]
+    }
+   ],
+   "source": [
+    "def update_inventory(customer_orders, inventory):\n",
+    "    for item in customer_orders:\n",
+    "        if item in inventory and inventory[item] >0:\n",
+    "            inventory[item]-=1\n",
+    "       \n",
+    "        inventory = {key: product for key, product in inventory.items() if product > 0}\n",
+    "        return inventory\n",
+    "update_inventory(customer_orders, inventory)\n",
+    "print(\"Uptdated inventory:\", inventory)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "28495f9d",
+   "metadata": {},
+   "outputs": [],
+   "source": []
   }
  ],
  "metadata": {
   "kernelspec": {
-   "display_name": "Python 3 (ipykernel)",
+   "display_name": "base",
    "language": "python",
    "name": "python3"
   },
@@ -93,7 +234,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.9.13"
+   "version": "3.13.5"
   }
  },
  "nbformat": 4,