diff --git a/lab-python-data-structures.ipynb.ipynb b/lab-python-data-structures.ipynb.ipynb new file mode 100644 index 00000000..aaf3c4b5 --- /dev/null +++ b/lab-python-data-structures.ipynb.ipynb @@ -0,0 +1,260 @@ +{ + "cells": [ + { + "cell_type": "markdown", + "metadata": { + "tags": [] + }, + "source": [ + "# Lab | Data Structures " + ] + }, + { + "cell_type": "markdown", + "metadata": {}, + "source": [ + "## Exercise: Managing Customer Orders\n", + "\n", + "As part of a business venture, you are starting an online store that sells various products. To ensure smooth operations, you need to develop a program that manages customer orders and inventory.\n", + "\n", + "Follow the steps below to complete the exercise:\n", + "\n", + "1. Define a list called `products` that contains the following items: \"t-shirt\", \"mug\", \"hat\", \"book\", \"keychain\".\n", + "\n", + "2. Create an empty dictionary called `inventory`.\n", + "\n", + "3. Ask the user to input the quantity of each product available in the inventory. Use the product names from the `products` list as keys in the `inventory` dictionary and assign the respective quantities as values.\n", + "\n", + "4. Create an empty set called `customer_orders`.\n", + "\n", + "5. Ask the user to input the name of three products that a customer wants to order (from those in the products list, meaning three products out of \"t-shirt\", \"mug\", \"hat\", \"book\" or \"keychain\". Add each product name to the `customer_orders` set.\n", + "\n", + "6. Print the products in the `customer_orders` set.\n", + "\n", + "7. Calculate the following order statistics:\n", + " - Total Products Ordered: The total number of products in the `customer_orders` set.\n", + " - Percentage of Products Ordered: The percentage of products ordered compared to the total available products.\n", + " \n", + " Store these statistics in a tuple called `order_status`.\n", + "\n", + "8. Print the order statistics using the following format:\n", + " ```\n", + " Order Statistics:\n", + " Total Products Ordered: \n", + " Percentage of Products Ordered: % \n", + " ```\n", + "\n", + "9. Update the inventory by subtracting 1 from the quantity of each product. Modify the `inventory` dictionary accordingly.\n", + "\n", + "10. Print the updated inventory, displaying the quantity of each product on separate lines.\n", + "\n", + "Solve the exercise by implementing the steps using the Python concepts of lists, dictionaries, sets, and basic input/output operations. " + ] + }, + { + "cell_type": "code", + "execution_count": 1, + "metadata": { + "scrolled": true + }, + "outputs": [ + { + "name": "stdout", + "output_type": "stream", + "text": [ + "['t-shirt', 'mug', 'hat', 'book', 'keychain']\n" + ] + } + ], + "source": [ + "#1 Define a list called products that contains the following items: \"t-shirt\", \"mug\", \"hat\", \"book\", \"keychain\".\n", + "products = [\"t-shirt\", \"mug\", \"hat\", \"book\", \"keychain\"]\n", + "print (products)" + ] + }, + { + "cell_type": "code", + "execution_count": 2, + "metadata": {}, + "outputs": [], + "source": [ + "#2. Create an empty dictionary called `inventory`.\n", + "inventory = {}" + ] + }, + { + "cell_type": "code", + "execution_count": 3, + "metadata": {}, + "outputs": [ + { + "name": "stdin", + "output_type": "stream", + "text": [ + "How many t-shirt put in a basket? : 3\n", + "How many mug to put in a basket? : 2\n", + "How many hat put in a basket? : 4\n", + "How many book put in a basket? : 5\n", + "How many keychain put in a basket?: 1\n" + ] + } + ], + "source": [ + "#3. Ask the user to input the quantity of each product available in the inventory. \n", + "#Use the product names from the `products` list as keys in the `inventory` dictionary and assign the respective quantities as values.\n", + "inventory [\"t-shirt\"] = int (input (f\"How many {products [0]} put in a basket? : \"))\n", + "inventory [\"mug\"] = int (input (f\"How many {products [1]} to put in a basket? : \"))\n", + "inventory [\"hat\"] = int (input (f\"How many {products [2]} put in a basket? : \"))\n", + "inventory [\"book\"] = int (input (f\"How many {products [3]} put in a basket? : \"))\n", + "inventory [\"keychain\"] = int (input (f\"How many {products [4]} put in a basket?: \"))" + ] + }, + { + "cell_type": "code", + "execution_count": 4, + "metadata": {}, + "outputs": [], + "source": [ + "#4. Create an empty set called `customer_orders`.\n", + "customer_orders = set()" + ] + }, + { + "cell_type": "code", + "execution_count": 5, + "metadata": {}, + "outputs": [ + { + "name": "stdin", + "output_type": "stream", + "text": [ + "Select 3 items to check out from ['t-shirt', 'mug', 'hat', 'book', 'keychain'] (comma-separated): hat, mug, book\n" + ] + } + ], + "source": [ + "#5. Ask the user to input the name of three products that a customer wants to order \n", + "#(from those in the products list, meaning three products out of \"t-shirt\", \"mug\", \"hat\", \"book\" or \"keychain\". \n", + "#Add each product name to the `customer_orders` set.\n", + "checkout_items = input(f\"Select 3 items to check out from {products} (comma-separated): \")\n", + "checkout_items_list = checkout_items.split(\",\")\n", + "for item in checkout_items_list: #all items need to be put \n", + " customer_orders.add(item.strip())" + ] + }, + { + "cell_type": "code", + "execution_count": 6, + "metadata": {}, + "outputs": [], + "source": [ + "#7. Calculate the following order statistics:\n", + "#Total Products Ordered: The total number of products in the `customer_orders` set.\n", + "#Percentage of Products Ordered: The percentage of products ordered compared to the total available products.\n", + "#Store these statistics in a tuple called `order_status`.\n", + "#for product_name in customer_orders: \n", + " #customer_order_sum =0 \n", + " #customer_order_sum += inventory.get(product_name, 0)\n", + "total_products_ordered = sum(inventory.values())\n", + "customer_order_sum = 0\n", + "for item_name in customer_orders:\n", + " customer_order_sum += inventory.get(item_name, 0)\n", + "\n", + "total_available_products = sum(inventory.values()) # Sum of all inventories\n", + "percentage_of_product_ordered = (customer_order_sum / total_available_products) * 100\n", + "order_status = (total_products_ordered, percentage_of_product_ordered)" + ] + }, + { + "cell_type": "code", + "execution_count": 9, + "metadata": {}, + "outputs": [ + { + "name": "stdout", + "output_type": "stream", + "text": [ + "Total Products Ordered 15, Percentage of Products Ordered:73%\n" + ] + } + ], + "source": [ + "#8. Print the order statistics using the following format:\n", + "#Order Statistics:Total Products Ordered: \n", + "#Percentage of Products Ordered: % \n", + "print (f\"Total Products Ordered {total_products_ordered},\", f\"Percentage of Products Ordered:{int(percentage_of_product_ordered)}%\")" + ] + }, + { + "cell_type": "code", + "execution_count": 10, + "metadata": {}, + "outputs": [], + "source": [ + "#9. Update the inventory by subtracting 1 from the quantity of each product. \n", + "#Modify the `inventory` dictionary accordingly.\n", + "for item_name in customer_orders : \n", + " if inventory.get(item_name, 0) > 0 :\n", + " inventory [item_name] -= 1" + ] + }, + { + "cell_type": "code", + "execution_count": 12, + "metadata": {}, + "outputs": [ + { + "name": "stdout", + "output_type": "stream", + "text": [ + "Current inventory of t-shirt : 3\n", + "Current inventory of mug : 0\n", + "Current inventory of hat : 2\n", + "Current inventory of book : 3\n", + "Current inventory of keychain : 1\n", + "Total Items Ordered 15\n", + "Percentage of Items Ordered vs inventory:73%\n" + ] + } + ], + "source": [ + "#10. Print the updated inventory, displaying the quantity of each product on separate lines.\n", + "#Solve the exercise by implementing the steps using the Python concepts of lists, \n", + "#dictionaries, sets, and basic input/output operations.\n", + "for product, quantity in inventory.items () : \n", + " print (f\"Current inventory of {product} : {quantity}\")\n", + "\n", + "print (f\"Total Items Ordered {total_products_ordered}\")\n", + "print (f\"Percentage of Items Ordered vs inventory:{int(percentage_of_product_ordered)}%\")" + ] + }, + { + "cell_type": "code", + "execution_count": null, + "metadata": {}, + "outputs": [], + "source": [] + } + ], + "metadata": { + "kernelspec": { + "display_name": "Python 3 (ipykernel)", + "language": "python", + "name": "python3" + }, + "language_info": { + "codemirror_mode": { + "name": "ipython", + "version": 3 + }, + "file_extension": ".py", + "mimetype": "text/x-python", + "name": "python", + "nbconvert_exporter": "python", + "pygments_lexer": "ipython3", + "version": "3.13.9" + } + }, + "nbformat": 4, + "nbformat_minor": 4 +}