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Lab solved #573

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116 changes: 114 additions & 2 deletions lab-python-flow-control.ipynb
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Original file line number Diff line number Diff line change
Expand Up @@ -37,11 +37,123 @@
"\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": null,
"id": "4afd11a7",
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"Available 89 t-shirt!\n",
"Available 54 mug!\n",
"Available 86 hat!\n",
"Available 57 book!\n",
"Available 33 keychain!\n"
]
}
],
"source": [
"#1. list + specific items\n",
"products = [\"t-shirt\", \"mug\", \"hat\", \"book\", \"keychain\"]\n",
"# dictionary\n",
"inventory = {}\n",
"# quantity\n",
"for product in products:\n",
" quantity = input (f\"Could you, please, let us know what is the quantity available in stock for {product}?\")\n",
" while not quantity.isdigit():\n",
" quantity = input (f\"Wrong format. Please insert a valid quantity for {product}!\")\n",
" print (f\"Available {quantity} {product}!\")\n",
" inventory.update({product: int(quantity)})"
]
},
{
"cell_type": "code",
"execution_count": null,
"id": "83375dea",
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"{'t-shirt': 89, 'mug': 54, 'hat': 86, 'book': 57, 'keychain': 33}\n",
"The products selected:\n"
]
}
],
"source": [
"# Dictionary verified! \n",
"print (inventory)\n",
"#Empty set\n",
"print (\"The products selected:\")\n",
"customer_orders = set()"
]
},
{
"cell_type": "code",
"execution_count": null,
"id": "3bd3a865",
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"You chose: book.\n",
"You chose: mug.\n",
"Customer selection:\n",
"{'book', 'mug'}\n"
]
}
],
"source": [
"#2 products wanted\n",
"choice = \"yes\"\n",
"while choice != \"no\":\n",
" preference = input (f\"Could you, please, tell us a product you would like to buy?\")\n",
" if not (preference in products):\n",
" print(f\"Product not available. Please insert a product in {products}!\")\n",
" else:\n",
" customer_orders.add(preference)\n",
" choice = input (f\"Do you want to continue shopping? yes or no?\").lower()\n",
" print (f\"You chose: {preference}.\")\n",
"# Check the set\n",
"print(\"Customer selection:\")\n",
"print(customer_orders)"
]
},
{
"cell_type": "code",
"execution_count": null,
"id": "b04c70e8",
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"The quantity of book is 56.\n",
"\n",
"The quantity of mug is 53.\n",
"\n"
]
}
],
"source": [
"#3. Updating customer orders:\n",
"for product in customer_orders:\n",
" inventory.update({product: inventory[product]-1})\n",
" print (f\"The quantity of {product} is {inventory[product]}.\\n\")"
]
}
],
"metadata": {
"kernelspec": {
"display_name": "Python 3 (ipykernel)",
"display_name": "Python 3",
"language": "python",
"name": "python3"
},
Expand All @@ -55,7 +167,7 @@
"name": "python",
"nbconvert_exporter": "python",
"pygments_lexer": "ipython3",
"version": "3.9.13"
"version": "3.14.0"
}
},
"nbformat": 4,
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