From debde67e18907ae14e4cc0e38beaf6ffed03ef7a Mon Sep 17 00:00:00 2001 From: ahmad Date: Mon, 27 Jan 2025 11:18:02 +0100 Subject: [PATCH] lab word for list, set, and dic comprehension --- ...python-list-comprehension-checkpoint.ipynb | 293 ++++++++++++++++++ lab-python-list-comprehension.ipynb | 194 +++++++++++- 2 files changed, 486 insertions(+), 1 deletion(-) create mode 100644 .ipynb_checkpoints/lab-python-list-comprehension-checkpoint.ipynb diff --git a/.ipynb_checkpoints/lab-python-list-comprehension-checkpoint.ipynb b/.ipynb_checkpoints/lab-python-list-comprehension-checkpoint.ipynb new file mode 100644 index 0000000..d88d5cd --- /dev/null +++ b/.ipynb_checkpoints/lab-python-list-comprehension-checkpoint.ipynb @@ -0,0 +1,293 @@ +{ + "cells": [ + { + "cell_type": "markdown", + "id": "25d7736c-ba17-4aff-b6bb-66eba20fbf4e", + "metadata": {}, + "source": [ + "# Lab | List, Dict and Set Comprehension" + ] + }, + { + "cell_type": "markdown", + "id": "7dd3cbde-675a-4b81-92c3-f728846dbe06", + "metadata": {}, + "source": [ + "## Exercise: Managing Customer Orders Optimized with Comprehension" + ] + }, + { + "cell_type": "markdown", + "id": "5d500160-2fb7-4777-b5e4-09d45ebaf328", + "metadata": {}, + "source": [ + "In the previous exercise, you developed a program to manage customer orders and inventory. Now, let's take it a step further and incorporate comprehension into your code.\n", + "\n", + "Follow the steps below to complete the exercise:\n", + "\n", + "1. Review your code from the previous exercise and identify areas where you can apply comprehension to simplify and streamline your code. \n", + "\n", + " - *Hint: Apply it to initialize inventory, updating the inventory and printing the updated inventory.*\n", + " \n", + " - For example, in initializing the inventory, we could have:\n", + " \n", + " ```python\n", + " def initialize_inventory(products):\n", + " inventory = {product: int(input(f\"Enter the quantity of {product}s available: \")) for product in products}\n", + " return inventory\n", + "\n", + " ```\n", + "
\n", + " \n", + " \n", + "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", + "\n", + "3. 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", + "\n", + "4. 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.\n", + "\n", + "5. Print the total price of the customer order.\n", + "\n", + "Your code should produce output similar to the following:\n", + "\n", + "```python\n", + "Enter the quantity of t-shirts available: 5\n", + "Enter the quantity of mugs available: 4\n", + "Enter the quantity of hats available: 3\n", + "Enter the quantity of books available: 2\n", + "Enter the quantity of keychains available: 1\n", + "Enter the number of customer orders: 2\n", + "Enter the name of a product that a customer wants to order: hat\n", + "Enter the name of a product that a customer wants to order: keychain\n", + "\n", + "Order Statistics:\n", + "Total Products Ordered: 2\n", + "Percentage of Unique Products Ordered: 40.0\n", + "\n", + "Updated Inventory:\n", + "t-shirt: 5\n", + "mug: 4\n", + "hat: 2\n", + "book: 2\n", + "Enter the price of keychain: 5\n", + "Enter the price of hat: 10\n", + "Total Price: 15.0\n", + "\n", + "```\n" + ] + }, + { + "cell_type": "code", + "execution_count": 1, + "id": "8b14e667-c604-40a6-86bc-0d0305a9d885", + "metadata": {}, + "outputs": [ + { + "name": "stdin", + "output_type": "stream", + "text": [ + "Enter the name of a product that a customer wants to order: book\n" + ] + }, + { + "name": "stdout", + "output_type": "stream", + "text": [ + "book has been added to your order.\n" + ] + }, + { + "name": "stdin", + "output_type": "stream", + "text": [ + "Do you want to add another product? (yes/no): no\n" + ] + }, + { + "name": "stdout", + "output_type": "stream", + "text": [ + "One book has been deducted from the inventory.\n", + "\n", + "Updated inventory:\n", + "Book: 9\n", + "Hat: 15\n", + "Keychain: 8\n", + "T-shirt: 5\n", + "Mug: 3\n" + ] + } + ], + "source": [ + "# Sample inventory data (for demonstration)\n", + "inventory = {\n", + " \"book\": 10,\n", + " \"hat\": 15,\n", + " \"keychain\": 8,\n", + " \"t-shirt\": 5,\n", + " \"mug\": 3\n", + "}\n", + "\n", + "# Set to store customer orders (no duplicates allowed)\n", + "customer_orders = set()\n", + "\n", + "# Step a, b, c, and d: Add products to the customer order\n", + "while True:\n", + " product = input(\"Enter the name of a product that a customer wants to order: \").strip().lower()\n", + " # Add the product to the set of customer orders\n", + " if product in inventory: # Ensure the product is in the inventory\n", + " customer_orders.add(product)\n", + " print(f\"{product} has been added to your order.\")\n", + " else:\n", + " print(f\"Sorry, we don't have {product} in the inventory.\")\n", + "\n", + " # Ask if the customer wants to add another product\n", + " another_product = input(\"Do you want to add another product? (yes/no): \").strip().lower()\n", + " if another_product != 'yes':\n", + " break\n", + "\n", + "# Step to update the inventory based on the customer orders\n", + "for ordered_product in customer_orders:\n", + " if ordered_product in inventory and inventory[ordered_product] > 0:\n", + " inventory[ordered_product] -= 1\n", + " print(f\"One {ordered_product} has been deducted from the inventory.\")\n", + " else:\n", + " print(f\"Sorry, {ordered_product} is out of stock or not available.\")\n", + "\n", + "# Final inventory state\n", + "print(\"\\nUpdated inventory:\")\n", + "for product, quantity in inventory.items():\n", + " print(f\"{product.capitalize()}: {quantity}\")\n" + ] + }, + { + "cell_type": "code", + "execution_count": 3, + "id": "0d93d1b1-8f2f-4343-98b2-d43e2d0f640d", + "metadata": {}, + "outputs": [ + { + "name": "stdin", + "output_type": "stream", + "text": [ + "Enter the quantity of books available: 9\n", + "Enter the quantity of hats available: 15\n", + "Enter the quantity of t-shirts available: 5\n", + "Enter the quantity of mugs available: 3\n", + "Enter the quantity of keychains available: 8\n", + "Enter the product you want to order: keychain\n", + "Would you like to add another product? (yes/no): yes\n", + "Enter the product you want to order: hat\n", + "Would you like to add another product? (yes/no): no\n", + "Enter the price of keychain: 100\n", + "Enter the price of hat: 50\n" + ] + }, + { + "name": "stdout", + "output_type": "stream", + "text": [ + "\n", + "Customer's Orders:\n", + "- Keychain\n", + "- Hat\n", + "\n", + "Total Price: $150.00\n", + "\n", + "Updated Inventory:\n", + "Book: 9\n", + "Hat: 14\n", + "T-shirt: 5\n", + "Mug: 3\n", + "Keychain: 7\n" + ] + } + ], + "source": [ + "def initialize_inventory(products):\n", + " # Using dictionary comprehension to initialize inventory\n", + " return {product: int(input(f\"Enter the quantity of {product}s available: \")) for product in products}\n", + "\n", + "def get_customer_orders():\n", + " # Gather orders using a list comprehension: ask user for product names until 'no'\n", + " orders = []\n", + " while True:\n", + " product = input(\"Enter the product you want to order: \").lower()\n", + " orders.append(product) # Add the product to the orders list\n", + " another = input(\"Would you like to add another product? (yes/no): \").lower()\n", + " if another != \"yes\":\n", + " break\n", + " return orders\n", + "\n", + "def calculate_total_price(customer_orders):\n", + " # Using comprehension to get the price of each product and calculate the total price\n", + " return sum([float(input(f\"Enter the price of {product}: \")) for product in customer_orders])\n", + "\n", + "def update_inventory(inventory, customer_orders):\n", + " # Using dictionary comprehension to update inventory and filter out products with zero stock\n", + " for product in customer_orders:\n", + " if product in inventory and inventory[product] > 0:\n", + " inventory[product] -= 1\n", + " \n", + " # Filter products with zero stock from the inventory\n", + " inventory = {product: qty for product, qty in inventory.items() if qty > 0}\n", + " return inventory\n", + "\n", + "# List of products available in the store (can be predefined or extended by the user)\n", + "products = [\"book\", \"hat\", \"t-shirt\", \"mug\", \"keychain\"]\n", + "\n", + "# Initialize the inventory\n", + "inventory = initialize_inventory(products)\n", + "\n", + "# Get customer orders using comprehension\n", + "customer_orders = get_customer_orders()\n", + "\n", + "# Calculate total price of the customer order\n", + "total_price = calculate_total_price(customer_orders)\n", + "\n", + "# Update inventory after fulfilling the customer orders\n", + "inventory = update_inventory(inventory, customer_orders)\n", + "\n", + "# Display the customer orders and updated inventory\n", + "print(\"\\nCustomer's Orders:\")\n", + "for product in customer_orders:\n", + " print(f\"- {product.capitalize()}\")\n", + "\n", + "print(f\"\\nTotal Price: ${total_price:.2f}\")\n", + "\n", + "print(\"\\nUpdated Inventory:\")\n", + "for product, quantity in inventory.items():\n", + " print(f\"{product.capitalize()}: {quantity}\")\n" + ] + }, + { + "cell_type": "code", + "execution_count": null, + "id": "b91103b8-0099-4d0f-a918-de2233322ed6", + "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": "3.12.7" + } + }, + "nbformat": 4, + "nbformat_minor": 5 +} diff --git a/lab-python-list-comprehension.ipynb b/lab-python-list-comprehension.ipynb index 5a3c3e1..d88d5cd 100644 --- a/lab-python-list-comprehension.ipynb +++ b/lab-python-list-comprehension.ipynb @@ -75,6 +75,198 @@ "\n", "```\n" ] + }, + { + "cell_type": "code", + "execution_count": 1, + "id": "8b14e667-c604-40a6-86bc-0d0305a9d885", + "metadata": {}, + "outputs": [ + { + "name": "stdin", + "output_type": "stream", + "text": [ + "Enter the name of a product that a customer wants to order: book\n" + ] + }, + { + "name": "stdout", + "output_type": "stream", + "text": [ + "book has been added to your order.\n" + ] + }, + { + "name": "stdin", + "output_type": "stream", + "text": [ + "Do you want to add another product? (yes/no): no\n" + ] + }, + { + "name": "stdout", + "output_type": "stream", + "text": [ + "One book has been deducted from the inventory.\n", + "\n", + "Updated inventory:\n", + "Book: 9\n", + "Hat: 15\n", + "Keychain: 8\n", + "T-shirt: 5\n", + "Mug: 3\n" + ] + } + ], + "source": [ + "# Sample inventory data (for demonstration)\n", + "inventory = {\n", + " \"book\": 10,\n", + " \"hat\": 15,\n", + " \"keychain\": 8,\n", + " \"t-shirt\": 5,\n", + " \"mug\": 3\n", + "}\n", + "\n", + "# Set to store customer orders (no duplicates allowed)\n", + "customer_orders = set()\n", + "\n", + "# Step a, b, c, and d: Add products to the customer order\n", + "while True:\n", + " product = input(\"Enter the name of a product that a customer wants to order: \").strip().lower()\n", + " # Add the product to the set of customer orders\n", + " if product in inventory: # Ensure the product is in the inventory\n", + " customer_orders.add(product)\n", + " print(f\"{product} has been added to your order.\")\n", + " else:\n", + " print(f\"Sorry, we don't have {product} in the inventory.\")\n", + "\n", + " # Ask if the customer wants to add another product\n", + " another_product = input(\"Do you want to add another product? (yes/no): \").strip().lower()\n", + " if another_product != 'yes':\n", + " break\n", + "\n", + "# Step to update the inventory based on the customer orders\n", + "for ordered_product in customer_orders:\n", + " if ordered_product in inventory and inventory[ordered_product] > 0:\n", + " inventory[ordered_product] -= 1\n", + " print(f\"One {ordered_product} has been deducted from the inventory.\")\n", + " else:\n", + " print(f\"Sorry, {ordered_product} is out of stock or not available.\")\n", + "\n", + "# Final inventory state\n", + "print(\"\\nUpdated inventory:\")\n", + "for product, quantity in inventory.items():\n", + " print(f\"{product.capitalize()}: {quantity}\")\n" + ] + }, + { + "cell_type": "code", + "execution_count": 3, + "id": "0d93d1b1-8f2f-4343-98b2-d43e2d0f640d", + "metadata": {}, + "outputs": [ + { + "name": "stdin", + "output_type": "stream", + "text": [ + "Enter the quantity of books available: 9\n", + "Enter the quantity of hats available: 15\n", + "Enter the quantity of t-shirts available: 5\n", + "Enter the quantity of mugs available: 3\n", + "Enter the quantity of keychains available: 8\n", + "Enter the product you want to order: keychain\n", + "Would you like to add another product? (yes/no): yes\n", + "Enter the product you want to order: hat\n", + "Would you like to add another product? (yes/no): no\n", + "Enter the price of keychain: 100\n", + "Enter the price of hat: 50\n" + ] + }, + { + "name": "stdout", + "output_type": "stream", + "text": [ + "\n", + "Customer's Orders:\n", + "- Keychain\n", + "- Hat\n", + "\n", + "Total Price: $150.00\n", + "\n", + "Updated Inventory:\n", + "Book: 9\n", + "Hat: 14\n", + "T-shirt: 5\n", + "Mug: 3\n", + "Keychain: 7\n" + ] + } + ], + "source": [ + "def initialize_inventory(products):\n", + " # Using dictionary comprehension to initialize inventory\n", + " return {product: int(input(f\"Enter the quantity of {product}s available: \")) for product in products}\n", + "\n", + "def get_customer_orders():\n", + " # Gather orders using a list comprehension: ask user for product names until 'no'\n", + " orders = []\n", + " while True:\n", + " product = input(\"Enter the product you want to order: \").lower()\n", + " orders.append(product) # Add the product to the orders list\n", + " another = input(\"Would you like to add another product? (yes/no): \").lower()\n", + " if another != \"yes\":\n", + " break\n", + " return orders\n", + "\n", + "def calculate_total_price(customer_orders):\n", + " # Using comprehension to get the price of each product and calculate the total price\n", + " return sum([float(input(f\"Enter the price of {product}: \")) for product in customer_orders])\n", + "\n", + "def update_inventory(inventory, customer_orders):\n", + " # Using dictionary comprehension to update inventory and filter out products with zero stock\n", + " for product in customer_orders:\n", + " if product in inventory and inventory[product] > 0:\n", + " inventory[product] -= 1\n", + " \n", + " # Filter products with zero stock from the inventory\n", + " inventory = {product: qty for product, qty in inventory.items() if qty > 0}\n", + " return inventory\n", + "\n", + "# List of products available in the store (can be predefined or extended by the user)\n", + "products = [\"book\", \"hat\", \"t-shirt\", \"mug\", \"keychain\"]\n", + "\n", + "# Initialize the inventory\n", + "inventory = initialize_inventory(products)\n", + "\n", + "# Get customer orders using comprehension\n", + "customer_orders = get_customer_orders()\n", + "\n", + "# Calculate total price of the customer order\n", + "total_price = calculate_total_price(customer_orders)\n", + "\n", + "# Update inventory after fulfilling the customer orders\n", + "inventory = update_inventory(inventory, customer_orders)\n", + "\n", + "# Display the customer orders and updated inventory\n", + "print(\"\\nCustomer's Orders:\")\n", + "for product in customer_orders:\n", + " print(f\"- {product.capitalize()}\")\n", + "\n", + "print(f\"\\nTotal Price: ${total_price:.2f}\")\n", + "\n", + "print(\"\\nUpdated Inventory:\")\n", + "for product, quantity in inventory.items():\n", + " print(f\"{product.capitalize()}: {quantity}\")\n" + ] + }, + { + "cell_type": "code", + "execution_count": null, + "id": "b91103b8-0099-4d0f-a918-de2233322ed6", + "metadata": {}, + "outputs": [], + "source": [] } ], "metadata": { @@ -93,7 +285,7 @@ "name": "python", "nbconvert_exporter": "python", "pygments_lexer": "ipython3", - "version": "3.9.13" + "version": "3.12.7" } }, "nbformat": 4,