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lab-python-functions #474

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376bb1f
Added full inventory functions
davherdel Aug 7, 2025
5fa50f0
Finished the exercises
davherdel Aug 11, 2025
a4a3d73
Uploaded notebook
davherdel Aug 16, 2025
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278 changes: 276 additions & 2 deletions lab-python-functions.ipynb
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Original file line number Diff line number Diff line change
Expand Up @@ -43,11 +43,285 @@
"\n",
"\n"
]
},
{
"cell_type": "code",
"execution_count": 14,
"id": "1fb787e1",
"metadata": {},
"outputs": [],
"source": [
"# 1. Set up inventory\n",
"def initialize_inventory(prod_list):\n",
" inv = {}\n",
" for p in prod_list:\n",
" # ask for quantity\n",
" qty = input(\"Enter initial quantity for \" + p + \": \")\n",
" try:\n",
" qty = int(qty)\n",
" except:\n",
" qty = 0 # if bad input just 0\n",
" inv[p] = qty\n",
" return inv"
]
},
{
"cell_type": "code",
"execution_count": null,
"id": "2d2b23d4",
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"{'Apples': 2, 'Bananas': 3, 'Oranges': 4}\n"
]
}
],
"source": [
"# Testing the function 1\n",
"test_products = ['Apples', 'Bananas', 'Oranges']\n",
"inventory = initialize_inventory(test_products)\n",
"print(inventory)\n"
]
},
{
"cell_type": "code",
"execution_count": 7,
"id": "63afc896",
"metadata": {},
"outputs": [],
"source": [
"# 2. Get customer order(s)\n",
"def get_customer_orders():\n",
" orders = set()\n",
" while True:\n",
" prod = input(\"Type product name to order (or done to stop): \").strip()\n",
" if prod.lower() == 'done':\n",
" break\n",
" if prod != \"\":\n",
" orders.add(prod)\n",
" return orders"
]
},
{
"cell_type": "code",
"execution_count": 18,
"id": "c5849a5f",
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"{'péssego', 'anana', 'banana'}\n"
]
}
],
"source": [
"# Testing the function 2\n",
"customer_orders = get_customer_orders()\n",
"print(customer_orders)\n"
]
},
{
"cell_type": "code",
"execution_count": 25,
"id": "5689c4f9",
"metadata": {},
"outputs": [],
"source": [
"# 3. Change inventory based on orders\n",
"def update_inventory(orders, inv):\n",
" for item in orders:\n",
" if item in inv:\n",
" if inv[item] > 0:\n",
" inv[item] = inv[item] - 1\n",
" else:\n",
" print(\"out of stock:\", item)\n",
" else:\n",
" print(item, \"doesn't exist??\")"
]
},
{
"cell_type": "code",
"execution_count": 28,
"id": "40f83100",
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"Pineapple doesn't exist??\n",
"out of stock: Oranges\n",
"{'Apples': 1, 'Bananas': 1, 'Oranges': 0}\n"
]
}
],
"source": [
"# Testing the function 3\n",
"inventory = {'Apples': 2, 'Bananas': 1, 'Oranges': 0} \n",
"orders = {'Apples', 'Oranges', 'Pineapple'}\n",
"update_inventory(orders, inventory)\n",
"print(inventory)\n"
]
},
{
"cell_type": "code",
"execution_count": 22,
"id": "6bc40b8f",
"metadata": {},
"outputs": [],
"source": [
"# 4. Calculate stats\n",
"def calculate_order_statistics(orders, prod_list):\n",
" total = len(orders)\n",
" uniq = len(orders.intersection(prod_list))\n",
" if len(prod_list) > 0:\n",
" perc = (uniq / len(prod_list)) * 100\n",
" else:\n",
" perc = 0\n",
" return total, perc"
]
},
{
"cell_type": "code",
"execution_count": 30,
"id": "174e40d7",
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"Total orders: 3\n",
"Percentage of valid products: 66.67%\n"
]
}
],
"source": [
"# Testing the function 4\n",
"orders = {'Apples', 'Bananas', 'Pineapple'}\n",
"products = ['Apples', 'Bananas', 'Oranges']\n",
"total, perc = calculate_order_statistics(orders, products)\n",
"print(f\"Total orders: {total}\")\n",
"print(f\"Percentage of valid products: {perc:.2f}%\")\n"
]
},
{
"cell_type": "code",
"execution_count": 10,
"id": "6489943c",
"metadata": {},
"outputs": [],
"source": [
"# 5. Print stats\n",
"def print_order_statistics(stats):\n",
" total, perc = stats\n",
" print(\"\\nOrder stats:\")\n",
" print(\"Total products ordered:\", total)\n",
" print(\"Unique %:\", round(perc, 2), \"%\")"
]
},
{
"cell_type": "code",
"execution_count": 31,
"id": "e91b1704",
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"\n",
"Order stats:\n",
"Total products ordered: 3\n",
"Unique %: 66.67 %\n"
]
}
],
"source": [
"# Testing the function 5\n",
"stats = (3, 66.67)\n",
"print_order_statistics(stats)\n"
]
},
{
"cell_type": "code",
"execution_count": 11,
"id": "c3cb6f11",
"metadata": {},
"outputs": [],
"source": [
"# 6. Print final inventory\n",
"def print_updated_inventory(inv):\n",
" print(\"\\nInventory now:\")\n",
" for k, v in inv.items():\n",
" print(k, \":\", v)\n"
]
},
{
"cell_type": "code",
"execution_count": 32,
"id": "68a486a5",
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"\n",
"Inventory now:\n",
"Apples : 4\n",
"Bananas : 2\n",
"Oranges : 0\n"
]
}
],
"source": [
"# Testing the function 6\n",
"inventory = {'Apples': 4, 'Bananas': 2, 'Oranges': 0}\n",
"print_updated_inventory(inventory)\n"
]
},
{
"cell_type": "code",
"execution_count": 33,
"id": "350b7184",
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"Péssego doesn't exist??\n",
"Pineapple doesn't exist??\n",
"Melancia doesn't exist??\n",
"\n",
"Order stats:\n",
"Total products ordered: 3\n",
"Unique %: 0.0 %\n",
"\n",
"Inventory now:\n",
"apple : 23\n",
"banana : 432345\n",
"orange : 543212\n",
"mango : 12345\n"
]
}
],
"source": [
"# Execute the main function\n",
"if __name__ == \"__main__\":\n",
" main()\n"
]
}
],
"metadata": {
"kernelspec": {
"display_name": "Python 3 (ipykernel)",
"display_name": "base",
"language": "python",
"name": "python3"
},
Expand All @@ -61,7 +335,7 @@
"name": "python",
"nbconvert_exporter": "python",
"pygments_lexer": "ipython3",
"version": "3.9.13"
"version": "3.12.7"
}
},
"nbformat": 4,
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