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Week 1 Lab 4 Done #671

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235 changes: 232 additions & 3 deletions lab-python-error-handling.ipynb
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Original file line number Diff line number Diff line change
Expand Up @@ -72,13 +72,242 @@
"\n",
"4. Test your code by running the program and deliberately entering invalid quantities and product names. Make sure the error handling mechanism works as expected.\n"
]
},
{
"cell_type": "code",
"execution_count": 1,
"id": "d1addfa9-8bdb-401b-a6f3-9f574caf6a9c",
"metadata": {},
"outputs": [],
"source": [
"customer_order = ['mug', 'hat', 'book']\n",
"\n",
"def calculate_total_price (): \n",
" price_products = { item : float(input(\"Please introduce the price of the product\")) for item in customer_order }\n",
" return f\"Total price:{sum (price_products.values())}\"\n"
]
},
{
"cell_type": "code",
"execution_count": null,
"id": "94409b7c-b45d-4f5b-a8f1-03841a5446e0",
"metadata": {},
"outputs": [],
"source": [
"calculate_total_price ()\n",
" "
]
},
{
"cell_type": "code",
"execution_count": null,
"id": "9d364330-2eb0-4a96-8189-41c2959a6b4a",
"metadata": {},
"outputs": [],
"source": []
},
{
"cell_type": "code",
"execution_count": null,
"id": "6449500f-ce5d-40d2-bc90-c1bd808d58bb",
"metadata": {},
"outputs": [],
"source": [
"def calculate_total_price():\n",
" \n",
" price_products = {}\n",
" for item in customer_order:\n",
" while True:\n",
" try:\n",
" price = float(input(\"Please introduce the price of the product\")) \n",
" price_products[item] = price\n",
" break \n",
" except ValueError:\n",
" print (\"Invalid input. Please enter a valid quantity.\")\n",
" return f\"Total price:{sum (price_products.values())}\"\n",
"\n",
"\n",
" "
]
},
{
"cell_type": "code",
"execution_count": null,
"id": "1702c9e2-94ce-42a2-923e-e354e455c777",
"metadata": {},
"outputs": [],
"source": [
"calculate_total_price()"
]
},
{
"cell_type": "markdown",
"id": "1360c056-f3c5-484b-8f96-8cdce38e122c",
"metadata": {},
"source": [
"4. If the user enters an invalid number of orders (e.g., a negative value or a non-numeric value), display an error message and ask them to re-enter the number of orders.\n",
"5. If the user enters an invalid product name (e.g., a product name that is not in the inventory), or that doesn't have stock available, display an error message and ask them to re-enter the product name. Hint: you will need to pass inventory as a parameter\n"
]
},
{
"cell_type": "code",
"execution_count": 3,
"id": "bab79c2f-1d63-4a3b-84f2-9a49ca8fd2b5",
"metadata": {},
"outputs": [],
"source": [
"def get_customer_orders(): \n",
" customer_orders = []\n",
" while True: \n",
" try: \n",
" number_orders = int(input(\"Please enter the number of products you want to order\")) \n",
" if number_orders < 0: \n",
" print (\"Please enter a positive number\") \n",
" break \n",
" \n",
" except ValueError: \n",
" print (\"Invalid input. Please enter a valid number.\")\n",
"\n",
" for item in range (number_orders): \n",
" orders = input(\"Please enter the product name\")\n",
" customer_orders.append(orders) \n",
" \n",
" return customer_orders"
]
},
{
"cell_type": "code",
"execution_count": 4,
"id": "f65ec0b7-e12b-47df-b95d-9d0fa9305836",
"metadata": {},
"outputs": [],
"source": [
"inventory = {'t-shirt': 1, 'mug': 0, 'hat': 1, 'book': 2, 'keychain': 4}"
]
},
{
"cell_type": "code",
"execution_count": 18,
"id": "e614ff97-c6f8-4d60-bc2c-03062b3f4989",
"metadata": {},
"outputs": [],
"source": [
"def get_customer_orders(inventory): \n",
" customer_orders = []\n",
" while True: \n",
" try: \n",
" number_orders = int(input(\"Please enter the number of products you want to order\")) \n",
" if number_orders < 0: \n",
" print (\"Please enter a positive number\") \n",
" break \n",
" \n",
" except ValueError: \n",
" print (\"Invalid input. Please enter a valid number.\")\n",
"\n",
" for item in range (number_orders): \n",
" while True: \n",
" orders = input(\"Please enter the product name\")\n",
" if orders not in inventory: \n",
" print (\"Product does not exist\") \n",
" continue \n",
" if inventory[orders] <= 0: \n",
" print (\"Product is out of stock\") \n",
" continue\n",
" customer_orders.append(orders) \n",
" break \n",
" \n",
" return customer_orders"
]
},
{
"cell_type": "code",
"execution_count": 19,
"id": "127a3fe8-87b0-49a7-9e6c-be056e1714ab",
"metadata": {},
"outputs": [
{
"name": "stdin",
"output_type": "stream",
"text": [
"Please enter the number of products you want to order 3\n",
"Please enter the product name mug\n"
]
},
{
"name": "stdout",
"output_type": "stream",
"text": [
"Product is out of stock\n"
]
},
{
"name": "stdin",
"output_type": "stream",
"text": [
"Please enter the product name book\n",
"Please enter the product name hat\n",
"Please enter the product name mug\n"
]
},
{
"name": "stdout",
"output_type": "stream",
"text": [
"Product is out of stock\n"
]
},
{
"name": "stdin",
"output_type": "stream",
"text": [
"Please enter the product name keychain\n"
]
},
{
"data": {
"text/plain": [
"['book', 'hat', 'keychain']"
]
},
"execution_count": 19,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"get_customer_orders(inventory)"
]
},
{
"cell_type": "code",
"execution_count": null,
"id": "f8b23fd6-805e-488f-96d2-ba6c406f459f",
"metadata": {},
"outputs": [],
"source": []
},
{
"cell_type": "code",
"execution_count": null,
"id": "8359f956-57da-437a-802a-5a3a5cb485a2",
"metadata": {},
"outputs": [],
"source": []
},
{
"cell_type": "code",
"execution_count": null,
"id": "1dcd0621-bcb7-46b5-a4e7-52562dd25b8e",
"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": {
Expand All @@ -90,7 +319,7 @@
"name": "python",
"nbconvert_exporter": "python",
"pygments_lexer": "ipython3",
"version": "3.9.13"
"version": "3.13.9"
}
},
"nbformat": 4,
Expand Down