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Solutions lab day-2 part-1 #456

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193 changes: 193 additions & 0 deletions .ipynb_checkpoints/lab-python-flow-control-checkpoint.ipynb
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@@ -0,0 +1,193 @@
{
"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": 140,
"id": "0e74c4ff-9a04-4aa6-ad40-4f7260ccabaf",
"metadata": {},
"outputs": [],
"source": [
"# Creating a list\n",
"products = [\"t-shirt\", \"mug\",\"hat\", \"book\", \"keychain\"]\n",
"# Creating an empty dictionary\n",
"inventory = {}"
]
},
{
"cell_type": "code",
"execution_count": 142,
"id": "f7a5bb0e-2df7-4940-a5a2-a85e19cddd54",
"metadata": {},
"outputs": [
{
"name": "stdin",
"output_type": "stream",
"text": [
"Enter key: t-shirt\n",
"Enter value: 4\n",
"Enter key: mug\n",
"Enter value: 3\n",
"Enter key: hat\n",
"Enter value: 2\n",
"Enter key: book\n",
"Enter value: 4\n",
"Enter key: keychain\n",
"Enter value: 5\n"
]
},
{
"name": "stdout",
"output_type": "stream",
"text": [
"{'t-shirt': 4, 'mug': 3, 'hat': 2, 'book': 4, 'keychain': 5}\n"
]
}
],
"source": [
"# Input the quanitiy of each product and show the content of the inventory\n",
"inventory = {input(\"Enter key: \"): int(input(\"Enter value: \")) for product in products}\n",
"print (inventory)"
]
},
{
"cell_type": "code",
"execution_count": 144,
"id": "b3cfef14-d740-4e82-9a90-53604fd55545",
"metadata": {},
"outputs": [
{
"name": "stdin",
"output_type": "stream",
"text": [
"Enter a product (choose from ['t-shirt', 'mug', 'hat', 'book', 'keychain']): mug\n",
"Do you want to add more products? (yes or no): yes\n",
"Enter a product (choose from ['t-shirt', 'mug', 'hat', 'book', 'keychain']): hat\n",
"Do you want to add more products? (yes or no): yes\n",
"Enter a product (choose from ['t-shirt', 'mug', 'hat', 'book', 'keychain']): book\n",
"Do you want to add more products? (yes or no): no\n"
]
},
{
"name": "stdout",
"output_type": "stream",
"text": [
"Thank you for your trust. Customer orders are: {'mug', 'hat', 'book'}\n"
]
}
],
"source": [
"# Step 2\n",
"products = [\"t-shirt\", \"mug\", \"hat\", \"book\", \"keychain\"]\n",
"customer_orders = set()\n",
"\n",
"while True:\n",
" value = input(f\"Enter a product (choose from {products}): \")\n",
" customer_orders.add(value)\n",
"\n",
" while True:\n",
" more_orders = input(\"Do you want to add more products? (yes or no): \")\n",
" if more_orders == \"yes\" or more_orders == \"no\":\n",
" break\n",
" else:\n",
" print(f\"Please type 'yes' or 'no'.\")\n",
"\n",
" if more_orders == \"no\":\n",
" break\n",
"\n",
"print(f\"Thank you for your trust. Customer orders are:\", customer_orders)"
]
},
{
"cell_type": "code",
"execution_count": 146,
"id": "7bebae5b-aa85-437c-ba5b-f24fbb321af0",
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"Updated mug: 2 left\n",
"Updated hat: 1 left\n",
"Updated book: 3 left\n",
"\n",
"Full inventory after updates:\n",
"t-shirt: 4 left\n",
"mug: 2 left\n",
"hat: 1 left\n",
"book: 3 left\n",
"keychain: 5 left\n"
]
}
],
"source": [
"for key in inventory:\n",
" if key in customer_orders:\n",
" inventory[key] = inventory[key] - 1\n",
" print (f\"Updated {key}: {inventory[key]} left\")\n",
"print(\"\\nFull inventory after updates:\")\n",
"for key, value in inventory.items():\n",
" print(f\"{key}: {value} left\")"
]
}
],
"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": "3.12.7"
}
},
"nbformat": 4,
"nbformat_minor": 5
}
136 changes: 133 additions & 3 deletions lab-python-flow-control.ipynb
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Original file line number Diff line number Diff line change
Expand Up @@ -37,13 +37,143 @@
"\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": 140,
"id": "0e74c4ff-9a04-4aa6-ad40-4f7260ccabaf",
"metadata": {},
"outputs": [],
"source": [
"# Creating a list\n",
"products = [\"t-shirt\", \"mug\",\"hat\", \"book\", \"keychain\"]\n",
"# Creating an empty dictionary\n",
"inventory = {}"
]
},
{
"cell_type": "code",
"execution_count": 142,
"id": "f7a5bb0e-2df7-4940-a5a2-a85e19cddd54",
"metadata": {},
"outputs": [
{
"name": "stdin",
"output_type": "stream",
"text": [
"Enter key: t-shirt\n",
"Enter value: 4\n",
"Enter key: mug\n",
"Enter value: 3\n",
"Enter key: hat\n",
"Enter value: 2\n",
"Enter key: book\n",
"Enter value: 4\n",
"Enter key: keychain\n",
"Enter value: 5\n"
]
},
{
"name": "stdout",
"output_type": "stream",
"text": [
"{'t-shirt': 4, 'mug': 3, 'hat': 2, 'book': 4, 'keychain': 5}\n"
]
}
],
"source": [
"# Input the quanitiy of each product and show the content of the inventory\n",
"inventory = {input(\"Enter key: \"): int(input(\"Enter value: \")) for product in products}\n",
"print (inventory)"
]
},
{
"cell_type": "code",
"execution_count": 144,
"id": "b3cfef14-d740-4e82-9a90-53604fd55545",
"metadata": {},
"outputs": [
{
"name": "stdin",
"output_type": "stream",
"text": [
"Enter a product (choose from ['t-shirt', 'mug', 'hat', 'book', 'keychain']): mug\n",
"Do you want to add more products? (yes or no): yes\n",
"Enter a product (choose from ['t-shirt', 'mug', 'hat', 'book', 'keychain']): hat\n",
"Do you want to add more products? (yes or no): yes\n",
"Enter a product (choose from ['t-shirt', 'mug', 'hat', 'book', 'keychain']): book\n",
"Do you want to add more products? (yes or no): no\n"
]
},
{
"name": "stdout",
"output_type": "stream",
"text": [
"Thank you for your trust. Customer orders are: {'mug', 'hat', 'book'}\n"
]
}
],
"source": [
"# Step 2\n",
"products = [\"t-shirt\", \"mug\", \"hat\", \"book\", \"keychain\"]\n",
"customer_orders = set()\n",
"\n",
"while True:\n",
" value = input(f\"Enter a product (choose from {products}): \")\n",
" customer_orders.add(value)\n",
"\n",
" while True:\n",
" more_orders = input(\"Do you want to add more products? (yes or no): \")\n",
" if more_orders == \"yes\" or more_orders == \"no\":\n",
" break\n",
" else:\n",
" print(f\"Please type 'yes' or 'no'.\")\n",
"\n",
" if more_orders == \"no\":\n",
" break\n",
"\n",
"print(f\"Thank you for your trust. Customer orders are:\", customer_orders)"
]
},
{
"cell_type": "code",
"execution_count": 146,
"id": "7bebae5b-aa85-437c-ba5b-f24fbb321af0",
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"Updated mug: 2 left\n",
"Updated hat: 1 left\n",
"Updated book: 3 left\n",
"\n",
"Full inventory after updates:\n",
"t-shirt: 4 left\n",
"mug: 2 left\n",
"hat: 1 left\n",
"book: 3 left\n",
"keychain: 5 left\n"
]
}
],
"source": [
"for key in inventory:\n",
" if key in customer_orders:\n",
" inventory[key] = inventory[key] - 1\n",
" print (f\"Updated {key}: {inventory[key]} left\")\n",
"print(\"\\nFull inventory after updates:\")\n",
"for key, value in inventory.items():\n",
" print(f\"{key}: {value} left\")"
]
}
],
"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": {
Expand All @@ -55,7 +185,7 @@
"name": "python",
"nbconvert_exporter": "python",
"pygments_lexer": "ipython3",
"version": "3.9.13"
"version": "3.12.7"
}
},
"nbformat": 4,
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