diff --git a/.ipynb_checkpoints/lab-python-flow-control-checkpoint.ipynb b/.ipynb_checkpoints/lab-python-flow-control-checkpoint.ipynb new file mode 100644 index 0000000..688c3a2 --- /dev/null +++ b/.ipynb_checkpoints/lab-python-flow-control-checkpoint.ipynb @@ -0,0 +1,138 @@ +{ + "cells": [ + { + "cell_type": "markdown", + "id": "d3bfc191-8885-42ee-b0a0-bbab867c6f9f", + "metadata": { + "tags": [] + }, + "source": [ + "# Lab | Flow Control" + ] + }, + { + "cell_type": "markdown", + "id": "3851fcd1-cf98-4653-9c89-e003b7ec9400", + "metadata": {}, + "source": [ + "## Exercise: Managing Customer Orders Optimized\n", + "\n", + "In the last lab, you were starting an online store that sells various products. To ensure smooth operations, you developed a program that manages customer orders and inventory.\n", + "\n", + "You did so without using flow control. Let's go a step further and improve this code.\n", + "\n", + "Follow the steps below to complete the exercise:\n", + "\n", + "1. Look at your code from the lab data structures, and improve repeated code with loops.\n", + "\n", + "2. Instead of asking the user to input the name of three products that a customer wants to order, do the following:\n", + " \n", + " a. Prompt the user to enter the name of a product that a customer wants to order.\n", + " \n", + " b. Add the product name to the \"customer_orders\" set.\n", + " \n", + " c. Ask the user if they want to add another product (yes/no).\n", + " \n", + " d. Continue the loop until the user does not want to add another product.\n", + "\n", + "3. Instead of updating the inventory by subtracting 1 from the quantity of each product, only do it for the products that were ordered (those in \"customer_orders\")." + ] + }, + { + "cell_type": "code", + "execution_count": 9, + "id": "12dfb2ff-ec34-46be-bfc4-486f632dc1c4", + "metadata": {}, + "outputs": [ + { + "name": "stdin", + "output_type": "stream", + "text": [ + "Enter a product to order: mug\n", + "Add another product? (yes/no): yes\n", + "Enter a product to order: hat\n", + "Add another product? (yes/no): yes\n", + "Enter a product to order: book\n", + "Add another product? (yes/no): no\n" + ] + }, + { + "name": "stdout", + "output_type": "stream", + "text": [ + "{'mug', 'book', 'hat'}\n" + ] + } + ], + "source": [ + "products = [\"t-shirt\", \"mug\", \"hat\", \"book\", \"keychain\"]\n", + "customer_orders = set()\n", + "\n", + "while True:\n", + " product = input(\"Enter a product to order: \")\n", + "\n", + " while product not in products:\n", + " print(\"Invalid product, Choose from:\", products)\n", + " product = input(\"Enter a product to order: \")\n", + "\n", + "\n", + " customer_orders.add(product)\n", + " again = input(\"Add another product? (yes/no): \")\n", + " \n", + " if again == \"no\":\n", + " break\n", + "\n", + "print(customer_orders)\n" + ] + }, + { + "cell_type": "code", + "execution_count": 7, + "id": "a2c9d52b-2446-43cb-adbc-133c28e298dc", + "metadata": {}, + "outputs": [ + { + "name": "stdout", + "output_type": "stream", + "text": [ + "Updated Inventory:\n", + "mug: 9\n", + "hat: 7\n", + "book: 6\n" + ] + } + ], + "source": [ + "inventory = {'mug': 10, 'hat': 7, 'book': 7}\n", + "customer_orders = {\"mug\", \"book\"} \n", + "for product in customer_orders:\n", + " inventory[product] -= 1\n", + "\n", + "print(\"Updated Inventory:\")\n", + "for product, quantity in inventory.items():\n", + " print(f\"{product}: {quantity}\")\n" + ] + } + ], + "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": "3.12.4" + } + }, + "nbformat": 4, + "nbformat_minor": 5 +} diff --git a/lab-python-flow-control.ipynb b/lab-python-flow-control.ipynb index f4c7391..688c3a2 100644 --- a/lab-python-flow-control.ipynb +++ b/lab-python-flow-control.ipynb @@ -37,6 +37,81 @@ "\n", "3. Instead of updating the inventory by subtracting 1 from the quantity of each product, only do it for the products that were ordered (those in \"customer_orders\")." ] + }, + { + "cell_type": "code", + "execution_count": 9, + "id": "12dfb2ff-ec34-46be-bfc4-486f632dc1c4", + "metadata": {}, + "outputs": [ + { + "name": "stdin", + "output_type": "stream", + "text": [ + "Enter a product to order: mug\n", + "Add another product? (yes/no): yes\n", + "Enter a product to order: hat\n", + "Add another product? (yes/no): yes\n", + "Enter a product to order: book\n", + "Add another product? (yes/no): no\n" + ] + }, + { + "name": "stdout", + "output_type": "stream", + "text": [ + "{'mug', 'book', 'hat'}\n" + ] + } + ], + "source": [ + "products = [\"t-shirt\", \"mug\", \"hat\", \"book\", \"keychain\"]\n", + "customer_orders = set()\n", + "\n", + "while True:\n", + " product = input(\"Enter a product to order: \")\n", + "\n", + " while product not in products:\n", + " print(\"Invalid product, Choose from:\", products)\n", + " product = input(\"Enter a product to order: \")\n", + "\n", + "\n", + " customer_orders.add(product)\n", + " again = input(\"Add another product? (yes/no): \")\n", + " \n", + " if again == \"no\":\n", + " break\n", + "\n", + "print(customer_orders)\n" + ] + }, + { + "cell_type": "code", + "execution_count": 7, + "id": "a2c9d52b-2446-43cb-adbc-133c28e298dc", + "metadata": {}, + "outputs": [ + { + "name": "stdout", + "output_type": "stream", + "text": [ + "Updated Inventory:\n", + "mug: 9\n", + "hat: 7\n", + "book: 6\n" + ] + } + ], + "source": [ + "inventory = {'mug': 10, 'hat': 7, 'book': 7}\n", + "customer_orders = {\"mug\", \"book\"} \n", + "for product in customer_orders:\n", + " inventory[product] -= 1\n", + "\n", + "print(\"Updated Inventory:\")\n", + "for product, quantity in inventory.items():\n", + " print(f\"{product}: {quantity}\")\n" + ] } ], "metadata": { @@ -55,7 +130,7 @@ "name": "python", "nbconvert_exporter": "python", "pygments_lexer": "ipython3", - "version": "3.9.13" + "version": "3.12.4" } }, "nbformat": 4,