From 4e133b9ade6b40d16e9017b6b7692da6f26507c5 Mon Sep 17 00:00:00 2001 From: Rui Braz Date: Sun, 31 Aug 2025 13:18:39 +0100 Subject: [PATCH] Solved lab --- .../lab-python-flow-control-checkpoint.ipynb | 290 ++++++++++++++++++ lab-python-flow-control.ipynb | 233 +++++++++++++- 2 files changed, 520 insertions(+), 3 deletions(-) create mode 100644 .ipynb_checkpoints/lab-python-flow-control-checkpoint.ipynb 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..510e07b --- /dev/null +++ b/.ipynb_checkpoints/lab-python-flow-control-checkpoint.ipynb @@ -0,0 +1,290 @@ +{ + "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": 6, + "id": "737186fb-baab-4573-801b-4afc86142fe6", + "metadata": {}, + "outputs": [ + { + "name": "stdout", + "output_type": "stream", + "text": [ + "Available products: ['t-shirt', 'mug', 'hat', 'book', 'keychain']\n" + ] + } + ], + "source": [ + "# defining a list of products\n", + "\n", + "products = [\"t-shirt\", \"mug\", \"hat\", \"book\", \"keychain\"]\n", + "print(\"Available products:\", products)" + ] + }, + { + "cell_type": "code", + "execution_count": 7, + "id": "09a4d3eb-bf0a-4c5b-a203-e3b29f8c2415", + "metadata": {}, + "outputs": [], + "source": [ + "# creating an empty iventory\n", + "\n", + "inventory = {}" + ] + }, + { + "cell_type": "code", + "execution_count": 8, + "id": "4cf96427-0da5-4c4c-9eab-28c5b9fda659", + "metadata": {}, + "outputs": [ + { + "name": "stdout", + "output_type": "stream", + "text": [ + "Please enter the quantity of each prodcut:\n" + ] + }, + { + "name": "stdin", + "output_type": "stream", + "text": [ + "Enter quantity for t-shirt: 67\n", + "Enter quantity for mug: 87\n", + "Enter quantity for hat: 56\n", + "Enter quantity for book: 34\n", + "Enter quantity for keychain: 45\n" + ] + }, + { + "name": "stdout", + "output_type": "stream", + "text": [ + "Current Inventory: {'t-shirt': 67, 'mug': 87, 'hat': 56, 'book': 34, 'keychain': 45}\n" + ] + } + ], + "source": [ + "# ask the user for the quantity of each product using a loop\n", + "\n", + "print(\"Please enter the quantity of each prodcut:\")\n", + "for product in products:\n", + " quantity = int(input(f\"Enter quantity for {product}: \"))\n", + " inventory[product] = quantity\n", + "\n", + "print (\"Current Inventory:\", inventory)" + ] + }, + { + "cell_type": "code", + "execution_count": 9, + "id": "a498fa34-fc80-4603-a46a-8338a0655302", + "metadata": {}, + "outputs": [], + "source": [ + "# create an empty set for customer orders\n", + "\n", + "customer_orders = set()\n", + "add_another = 'yes'" + ] + }, + { + "cell_type": "code", + "execution_count": 10, + "id": "2515900b-2291-4215-82be-80d3e8e14275", + "metadata": {}, + "outputs": [ + { + "name": "stdin", + "output_type": "stream", + "text": [ + "Enter the product a customer wants to order: hat\n", + "Do you want to add another product? (yes/no): yes\n", + "Enter the product a customer wants to order: book\n", + "Do you want to add another product? (yes/no): yes\n", + "Enter the product a customer wants to order: keychain\n", + "Do you want to add another product? (yes/no): no\n" + ] + } + ], + "source": [ + "# use a while loop and conditional logic to add prodcuts\n", + "\n", + "while add_another.lower() == 'yes':\n", + " order_item = input(\"Enter the product a customer wants to order: \")\n", + " if order_item in products:\n", + " customer_orders.add(order_item)\n", + " add_another = input(\"Do you want to add another product? (yes/no): \")\n", + " else:\n", + " print(\"That product is not available. Please choose from the list again\")\n" + ] + }, + { + "cell_type": "code", + "execution_count": 11, + "id": "97e0ad40-2a12-4968-9470-d099a869c7fb", + "metadata": {}, + "outputs": [ + { + "name": "stdout", + "output_type": "stream", + "text": [ + "Products in customer order: {'hat', 'keychain', 'book'}\n" + ] + } + ], + "source": [ + "# print the products in the customer_orders set\n", + "\n", + "print(\"Products in customer order:\", customer_orders)" + ] + }, + { + "cell_type": "code", + "execution_count": 12, + "id": "4e5a5ee8-f339-45c2-ba71-5b85f7978e3b", + "metadata": {}, + "outputs": [], + "source": [ + "# calculate order statistics\n", + "\n", + "total_products_ordered = len(customer_orders)\n", + "percentage_ordered = (total_products_ordered / len(products)) * 100" + ] + }, + { + "cell_type": "code", + "execution_count": 13, + "id": "4b4d4a80-a6ba-4e15-9bb1-2720473e3e67", + "metadata": {}, + "outputs": [ + { + "name": "stdout", + "output_type": "stream", + "text": [ + "Order Statistics:\n", + "Total Products Ordered: 3\n", + "Percentage of Products Ordered: 60.0%\n" + ] + } + ], + "source": [ + "# store statistics in a tuple and print \n", + "\n", + "order_status = (total_products_ordered, percentage_ordered)\n", + "print(\"Order Statistics:\")\n", + "print(f\"Total Products Ordered: {order_status[0]}\")\n", + "print(f\"Percentage of Products Ordered: {order_status[1]}%\")" + ] + }, + { + "cell_type": "code", + "execution_count": 14, + "id": "e17beb4d-67b0-438b-be25-54102015e430", + "metadata": {}, + "outputs": [], + "source": [ + "# update the inventory only for ordered products using a loop\n", + "\n", + "for product in customer_orders:\n", + " if product in inventory:\n", + " inventory[product] -= 1" + ] + }, + { + "cell_type": "code", + "execution_count": 15, + "id": "7f82e8ea-c1b9-4e7a-9982-ab5275ea3993", + "metadata": {}, + "outputs": [ + { + "name": "stdout", + "output_type": "stream", + "text": [ + "Updated Inventory:\n", + "t-shirt: 67\n", + "mug: 87\n", + "hat: 55\n", + "book: 33\n", + "keychain: 44\n" + ] + } + ], + "source": [ + "# print the updated inventory\n", + "\n", + "print (\"Updated Inventory:\")\n", + "for product, quantity in inventory.items():\n", + " print(f\"{product}: {quantity}\")" + ] + }, + { + "cell_type": "code", + "execution_count": null, + "id": "a8be15f1-12d2-4500-9333-6f8879372e8c", + "metadata": {}, + "outputs": [], + "source": [] + } + ], + "metadata": { + "kernelspec": { + "display_name": "Python [conda env:base] *", + "language": "python", + "name": "conda-base-py" + }, + "language_info": { + "codemirror_mode": { + "name": "ipython", + "version": 3 + }, + "file_extension": ".py", + "mimetype": "text/x-python", + "name": "python", + "nbconvert_exporter": "python", + "pygments_lexer": "ipython3", + "version": "3.13.5" + } + }, + "nbformat": 4, + "nbformat_minor": 5 +} diff --git a/lab-python-flow-control.ipynb b/lab-python-flow-control.ipynb index f4c7391..510e07b 100644 --- a/lab-python-flow-control.ipynb +++ b/lab-python-flow-control.ipynb @@ -37,13 +37,240 @@ "\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": 6, + "id": "737186fb-baab-4573-801b-4afc86142fe6", + "metadata": {}, + "outputs": [ + { + "name": "stdout", + "output_type": "stream", + "text": [ + "Available products: ['t-shirt', 'mug', 'hat', 'book', 'keychain']\n" + ] + } + ], + "source": [ + "# defining a list of products\n", + "\n", + "products = [\"t-shirt\", \"mug\", \"hat\", \"book\", \"keychain\"]\n", + "print(\"Available products:\", products)" + ] + }, + { + "cell_type": "code", + "execution_count": 7, + "id": "09a4d3eb-bf0a-4c5b-a203-e3b29f8c2415", + "metadata": {}, + "outputs": [], + "source": [ + "# creating an empty iventory\n", + "\n", + "inventory = {}" + ] + }, + { + "cell_type": "code", + "execution_count": 8, + "id": "4cf96427-0da5-4c4c-9eab-28c5b9fda659", + "metadata": {}, + "outputs": [ + { + "name": "stdout", + "output_type": "stream", + "text": [ + "Please enter the quantity of each prodcut:\n" + ] + }, + { + "name": "stdin", + "output_type": "stream", + "text": [ + "Enter quantity for t-shirt: 67\n", + "Enter quantity for mug: 87\n", + "Enter quantity for hat: 56\n", + "Enter quantity for book: 34\n", + "Enter quantity for keychain: 45\n" + ] + }, + { + "name": "stdout", + "output_type": "stream", + "text": [ + "Current Inventory: {'t-shirt': 67, 'mug': 87, 'hat': 56, 'book': 34, 'keychain': 45}\n" + ] + } + ], + "source": [ + "# ask the user for the quantity of each product using a loop\n", + "\n", + "print(\"Please enter the quantity of each prodcut:\")\n", + "for product in products:\n", + " quantity = int(input(f\"Enter quantity for {product}: \"))\n", + " inventory[product] = quantity\n", + "\n", + "print (\"Current Inventory:\", inventory)" + ] + }, + { + "cell_type": "code", + "execution_count": 9, + "id": "a498fa34-fc80-4603-a46a-8338a0655302", + "metadata": {}, + "outputs": [], + "source": [ + "# create an empty set for customer orders\n", + "\n", + "customer_orders = set()\n", + "add_another = 'yes'" + ] + }, + { + "cell_type": "code", + "execution_count": 10, + "id": "2515900b-2291-4215-82be-80d3e8e14275", + "metadata": {}, + "outputs": [ + { + "name": "stdin", + "output_type": "stream", + "text": [ + "Enter the product a customer wants to order: hat\n", + "Do you want to add another product? (yes/no): yes\n", + "Enter the product a customer wants to order: book\n", + "Do you want to add another product? (yes/no): yes\n", + "Enter the product a customer wants to order: keychain\n", + "Do you want to add another product? (yes/no): no\n" + ] + } + ], + "source": [ + "# use a while loop and conditional logic to add prodcuts\n", + "\n", + "while add_another.lower() == 'yes':\n", + " order_item = input(\"Enter the product a customer wants to order: \")\n", + " if order_item in products:\n", + " customer_orders.add(order_item)\n", + " add_another = input(\"Do you want to add another product? (yes/no): \")\n", + " else:\n", + " print(\"That product is not available. Please choose from the list again\")\n" + ] + }, + { + "cell_type": "code", + "execution_count": 11, + "id": "97e0ad40-2a12-4968-9470-d099a869c7fb", + "metadata": {}, + "outputs": [ + { + "name": "stdout", + "output_type": "stream", + "text": [ + "Products in customer order: {'hat', 'keychain', 'book'}\n" + ] + } + ], + "source": [ + "# print the products in the customer_orders set\n", + "\n", + "print(\"Products in customer order:\", customer_orders)" + ] + }, + { + "cell_type": "code", + "execution_count": 12, + "id": "4e5a5ee8-f339-45c2-ba71-5b85f7978e3b", + "metadata": {}, + "outputs": [], + "source": [ + "# calculate order statistics\n", + "\n", + "total_products_ordered = len(customer_orders)\n", + "percentage_ordered = (total_products_ordered / len(products)) * 100" + ] + }, + { + "cell_type": "code", + "execution_count": 13, + "id": "4b4d4a80-a6ba-4e15-9bb1-2720473e3e67", + "metadata": {}, + "outputs": [ + { + "name": "stdout", + "output_type": "stream", + "text": [ + "Order Statistics:\n", + "Total Products Ordered: 3\n", + "Percentage of Products Ordered: 60.0%\n" + ] + } + ], + "source": [ + "# store statistics in a tuple and print \n", + "\n", + "order_status = (total_products_ordered, percentage_ordered)\n", + "print(\"Order Statistics:\")\n", + "print(f\"Total Products Ordered: {order_status[0]}\")\n", + "print(f\"Percentage of Products Ordered: {order_status[1]}%\")" + ] + }, + { + "cell_type": "code", + "execution_count": 14, + "id": "e17beb4d-67b0-438b-be25-54102015e430", + "metadata": {}, + "outputs": [], + "source": [ + "# update the inventory only for ordered products using a loop\n", + "\n", + "for product in customer_orders:\n", + " if product in inventory:\n", + " inventory[product] -= 1" + ] + }, + { + "cell_type": "code", + "execution_count": 15, + "id": "7f82e8ea-c1b9-4e7a-9982-ab5275ea3993", + "metadata": {}, + "outputs": [ + { + "name": "stdout", + "output_type": "stream", + "text": [ + "Updated Inventory:\n", + "t-shirt: 67\n", + "mug: 87\n", + "hat: 55\n", + "book: 33\n", + "keychain: 44\n" + ] + } + ], + "source": [ + "# print the updated inventory\n", + "\n", + "print (\"Updated Inventory:\")\n", + "for product, quantity in inventory.items():\n", + " print(f\"{product}: {quantity}\")" + ] + }, + { + "cell_type": "code", + "execution_count": null, + "id": "a8be15f1-12d2-4500-9333-6f8879372e8c", + "metadata": {}, + "outputs": [], + "source": [] } ], "metadata": { "kernelspec": { - "display_name": "Python 3 (ipykernel)", + "display_name": "Python [conda env:base] *", "language": "python", - "name": "python3" + "name": "conda-base-py" }, "language_info": { "codemirror_mode": { @@ -55,7 +282,7 @@ "name": "python", "nbconvert_exporter": "python", "pygments_lexer": "ipython3", - "version": "3.9.13" + "version": "3.13.5" } }, "nbformat": 4,