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297 changes: 296 additions & 1 deletion lab-python-error-handling.ipynb
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Original file line number Diff line number Diff line change
Expand Up @@ -72,6 +72,301 @@
"\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": null,
"id": "2ccde986-c7b9-44b9-b0bd-8a6a6ce00ad3",
"metadata": {},
"outputs": [],
"source": []
},
{
"cell_type": "code",
"execution_count": 1,
"id": "d5d8d383-e71c-4840-bb24-1dfdfb32479d",
"metadata": {},
"outputs": [],
"source": [
"products =[\"t-shirt\", \"mug\", \"hat\", \"book\", \"keychain\"]"
]
},
{
"cell_type": "code",
"execution_count": null,
"id": "161e02ed-6e0f-4930-99f8-6a3aa16c0481",
"metadata": {},
"outputs": [],
"source": []
},
{
"cell_type": "code",
"execution_count": 6,
"id": "75767945-7bae-4929-973a-58f85a4adbff",
"metadata": {},
"outputs": [
{
"name": "stdin",
"output_type": "stream",
"text": [
"Enter the quantity of t-shirt available: 34\n",
"Enter the quantity of mug available: 22\n",
"Enter the quantity of hat available: 9\n",
"Enter the quantity of book available: 17\n",
"Enter the quantity of keychain available: 27\n"
]
},
{
"name": "stdout",
"output_type": "stream",
"text": [
"{'t-shirt': 34, 'mug': 22, 'hat': 9, 'book': 17, 'keychain': 27}\n"
]
}
],
"source": [
" 1.\n",
"\n",
"def initialize_inventory(products):\n",
" inventory = {}\n",
" for product in products:\n",
" valid_input = False\n",
" while not valid_input:\n",
" try:\n",
" quantity = int(input(f\"Enter the quantity of {product} available: \"))\n",
" if quantity >= 0:\n",
" inventory[product] = quantity\n",
" valid_input = True\n",
" else:\n",
" print(\"Quantity cannot be negative. Please enter a valid quantity.\")\n",
" except ValueError:\n",
" print(\"Invalid input. Please enter a valid quantity.\")\n",
" return inventory\n",
"\n",
"inventory = initialize_inventory(products)\n",
"print(inventory)"
]
},
{
"cell_type": "code",
"execution_count": 16,
"id": "aa82fbf0-4ef2-403d-903a-770064536145",
"metadata": {},
"outputs": [
{
"name": "stdin",
"output_type": "stream",
"text": [
"Enter the name of a product to order: mug\n"
]
},
{
"data": {
"text/plain": [
"{'mug'}"
]
},
"execution_count": 16,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"def get_customer_orders ():\n",
" customer_orders = set ()\n",
" while True:\n",
" product = (input(\"Enter the name of a product to order:\"))\n",
" customer_orders.add(product)\n",
" return customer_orders\n",
" answer = input(\"Do you want to add another product: Yes ou No?\")\n",
" if answer.lower() != \"Yes\":\n",
" break\n",
" print(\"Customer orders are:\", customer_orders) \n",
"get_customer_orders()"
]
},
{
"cell_type": "code",
"execution_count": null,
"id": "8e60d975-a24a-4865-bfef-73a9c5b885bf",
"metadata": {},
"outputs": [],
"source": []
},
{
"cell_type": "code",
"execution_count": 17,
"id": "24b9e4fe-37c6-4b39-adc4-d0ba9b6716f8",
"metadata": {},
"outputs": [
{
"name": "stdin",
"output_type": "stream",
"text": [
"Enter the name of a product to order: mug\n"
]
},
{
"name": "stdout",
"output_type": "stream",
"text": [
"{'mug'}\n"
]
},
{
"name": "stdin",
"output_type": "stream",
"text": [
"Enter the price of mug: 10\n"
]
},
{
"name": "stdout",
"output_type": "stream",
"text": [
"\n",
"Total Price: 10.0\n"
]
}
],
"source": [
"2.\n",
"\n",
"def calculate_total_price(customer_orders):\n",
" total_price = 0\n",
" for product in customer_orders:\n",
" valid_input = False\n",
" while not valid_input:\n",
" try:\n",
" price = float(input(f\"Enter the price of {product}: \"))\n",
" if price>= 0:\n",
" total_price += price \n",
" valid_input = True\n",
" else:\n",
" print (\"price cannot be negative\")\n",
" except ValueError :\n",
" print(\"invalid input. please enter a valid price\")\n",
" \n",
" return total_price\n",
"customer_orders = get_customer_orders()\n",
"\n",
"print(customer_orders)\n",
"\n",
"\n",
"total_price = calculate_total_price(customer_orders)\n",
"print(f\"\\nTotal Price: {total_price}\")\n"
]
},
{
"cell_type": "code",
"execution_count": null,
"id": "d054ec7b-fc36-4645-9d49-2c59d0c2ce6d",
"metadata": {},
"outputs": [],
"source": []
},
{
"cell_type": "code",
"execution_count": 21,
"id": "cd3c1014-4139-4beb-b8fd-0d0dafceb1c2",
"metadata": {},
"outputs": [
{
"name": "stdin",
"output_type": "stream",
"text": [
"Enter the name of a product to order: mug\n"
]
},
{
"name": "stdout",
"output_type": "stream",
"text": [
"{'mug'}\n"
]
}
],
"source": [
"3.\n",
"\n",
"def get_customers_orders():\n",
" customers_orders = set()\n",
" valid_number = False\n",
" while not valid_numbers:\n",
" try:\n",
" number_orders = int(input(\"enter the number of customer orders\"))\n",
" if number_orders <= 0:\n",
" print(\"Error: number of orders must be positive.\")\n",
" else:\n",
" valid_number = True\n",
" except value_error:\n",
" print(\"Error: please enter a valid number.\")\n",
"\n",
" for _ in range (number_orders):\n",
" valid_product = False\n",
" while not valid_product:\n",
" try:\n",
" product = input(\"enter product name\")\n",
" if product not in inventory:\n",
" print(\"Error: product does not exist.\")\n",
" elif inventory[product] <= 0:\n",
" print(\"Error: product out of stock.\")\n",
" else:\n",
" customer_orders.add(product)\n",
" valid_product = True\n",
" except ValueError:\n",
" print(\"Error: invalid input.\")\n",
" return customer_orders\n",
"\n",
"customer_orders = get_customer_orders()\n",
"print(customer_orders)\n",
" \n",
" \n",
" \n",
" \n",
" \n",
"\n"
]
},
{
"cell_type": "code",
"execution_count": null,
"id": "db5d237c-42b6-46cc-9319-644ece66e65b",
"metadata": {},
"outputs": [],
"source": []
},
{
"cell_type": "code",
"execution_count": null,
"id": "d39e49aa-9f45-4827-b97d-d3595129d082",
"metadata": {},
"outputs": [],
"source": []
},
{
"cell_type": "code",
"execution_count": null,
"id": "636e4e95-09f2-4f25-a127-f9d161bfd0fc",
"metadata": {},
"outputs": [],
"source": []
},
{
"cell_type": "code",
"execution_count": null,
"id": "7dd9bb9a-3d6b-48e0-ac1b-20b83a3c34c6",
"metadata": {},
"outputs": [],
"source": []
},
{
"cell_type": "code",
"execution_count": null,
"id": "e28a0fb3-4c0c-4f49-b892-4e1771b1fcbb",
"metadata": {},
"outputs": [],
"source": []
}
],
"metadata": {
Expand All @@ -90,7 +385,7 @@
"name": "python",
"nbconvert_exporter": "python",
"pygments_lexer": "ipython3",
"version": "3.9.13"
"version": "3.13.11"
}
},
"nbformat": 4,
Expand Down