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258 changes: 256 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 +37,265 @@
"\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": 1,
"id": "481c001c",
"metadata": {},
"outputs": [],
"source": [
"# 1. Look at your code from the lab data structures, and improve repeated code with loops.\n",
"\n",
"# 1.1. Define a LIST called `products` that contains the following items:\n",
"# \"t-shirt\", \"mug\", \"hat\", \"book\", \"keychain\".\n",
"products = [\"t-shirt\", \"mug\", \"hat\", \"book\", \"keychain\"]"
]
},
{
"cell_type": "code",
"execution_count": 2,
"id": "c3358ec6",
"metadata": {},
"outputs": [],
"source": [
"# 1.2. Create an empty DICTIONARY called `inventory`\n",
"inventory = {}"
]
},
{
"cell_type": "code",
"execution_count": 4,
"id": "432cf69c",
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"{'keychain': 8, 't-shirt': 4, 'mug': 5, 'hat': 6, 'book': 7}\n"
]
}
],
"source": [
"# 1.3. Ask the user to input the quantity of each product available in the inventory.\n",
"for product in products:\n",
" quantity = int(input(f\"Enter the quantity of each {product} in the inventory: \" ))\n",
"# Use the product names from the `products` list as keys in the `inventory` dictionary\n",
"# and assign the respective quantities as values.\n",
" inventory[product] = quantity\n",
"\n",
"# Print the `inventory` dictionary to see the available products and their quantities.\n",
"print(inventory)"
]
},
{
"cell_type": "code",
"execution_count": null,
"id": "4e24231a",
"metadata": {},
"outputs": [],
"source": [
"# 1.4. Create an empty SET called `customer_orders`\n",
"customer_orders = set()"
]
},
{
"cell_type": "code",
"execution_count": 6,
"id": "e907fc01",
"metadata": {},
"outputs": [],
"source": [
"# 1.5. Ask the user to input the name of three products that a customer wants to order\n",
"# (from those in the products list, \n",
"# meaning three products out of \"t-shirt\", \"mug\", \"hat\", \"book\" or \"keychain\".\n",
"# Add each product name to the `customer_orders` set.\n",
"\n",
"for x in range(3):\n",
" input_product = input(\"Enter three products from those in the products list: \")\n",
" if input_product in products:\n",
" customer_orders.add(input_product)"
]
},
{
"cell_type": "code",
"execution_count": null,
"id": "3a693854",
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"Products in the customer orders: {'hat', 'book', 'mug'}\n"
]
}
],
"source": [
"# 1.6. Print the products in the `customer_orders` set.\n",
"print (\"Products in the customer orders: \", customer_orders)"
]
},
{
"cell_type": "code",
"execution_count": 13,
"id": "c7ea02d2",
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"Total Products Ordered: 3\n",
"Percentage of Products Ordered: {60.0} %\n"
]
}
],
"source": [
"# 1.7. Calculate the following order statistics:\n",
"# - Total Products Ordered: The total number of products in the `customer_orders` set.\n",
"tot_products_ordered = len(customer_orders)\n",
"print(f\"Total Products Ordered: {tot_products_ordered}\")\n",
" \n",
"# - Percentage of Products Ordered:\n",
"# The percentage of products ordered compared to the total available products.\n",
"percentage_products_ordered = (tot_products_ordered / len(products)) * 100\n",
"print(\"Percentage of Products Ordered:\", {percentage_products_ordered}, \"%\")\n",
"\n",
"# Store these statistics in a tuple called `order_status`\n",
"order_status = (tot_products_ordered, percentage_products_ordered)"
]
},
{
"cell_type": "code",
"execution_count": 14,
"id": "f8c7d8ab",
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"Order Statistics:\n",
"Total Products Ordered: 3\n",
"Percentage of Products Ordered: 60.0% \n",
" \n"
]
}
],
"source": [
"# 1.8. Print the order statistics using the following format:\n",
"# ```\n",
"# Order Statistics:\n",
"# Total Products Ordered: <total_products_ordered>\n",
"# Percentage of Products Ordered: <percentage_ordered>% \n",
"# ```\n",
"print(f\"\"\"Order Statistics:\n",
"Total Products Ordered: {tot_products_ordered}\n",
"Percentage of Products Ordered: {percentage_products_ordered}% \n",
" \"\"\")\n"
]
},
{
"cell_type": "code",
"execution_count": 15,
"id": "3a85f640",
"metadata": {},
"outputs": [],
"source": [
"# 1.9. Update the inventory by subtracting 1 from the quantity of each product.\n",
"# Modify the `inventory` dictionary accordingly.\n",
"for product in customer_orders:\n",
" if inventory[product] > 0:\n",
" inventory[product] -= 1"
]
},
{
"cell_type": "code",
"execution_count": 16,
"id": "a7bcb644",
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"Updated inventory:\n",
"keychain: 8\n",
"t-shirt: 4\n",
"mug: 4\n",
"hat: 5\n",
"book: 6\n"
]
}
],
"source": [
"# 1.10. Print the updated inventory, displaying the quantity of each product on separate lines.\n",
"print(\"Updated inventory:\")\n",
"for product in inventory:\n",
" print(f\"{product}: {inventory[product]}\") \n"
]
},
{
"cell_type": "code",
"execution_count": null,
"id": "0856e774",
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"mug added to customer orders\n",
"book added to customer orders\n",
"\n",
"Customer orders: {'hat', 'book', 'mug'}\n",
"Updated inventory: {'keychain': 8, 't-shirt': 4, 'mug': 2, 'hat': 3, 'book': 4}\n"
]
}
],
"source": [
"\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",
"# b. Add the product name to the \"customer_orders\" set.\n",
"# c. Ask the user if they want to add another product (yes/no).\n",
"# d. Continue the loop until the user does not want to add another product.\n",
"\n",
"while True:\n",
" input_product = input(f\"Enter the name of one product from those in the product list: \" ).lower()\n",
" if input_product in products:\n",
" customer_orders.add(input_product)\n",
" print(f\"{input_product} added to customer orders\")\n",
" else:\n",
" print(f\"{input_product} is not in the product list\")\n",
" input_add_another_product = input(\"Do you want to add another product (yes/no)?: \" ).lower()\n",
"\n",
" if input_add_another_product != \"yes\":\n",
" break\n",
"\n",
"# 3. Instead of updating the inventory by subtracting 1 from the quantity of each product,\n",
"# only do it for the products that were ordered (those in \"customer_orders\").\n",
"for product in customer_orders:\n",
" if inventory[product] > 0:\n",
" inventory[product] -= 1\n",
" else:\n",
" print(f\"{product} is out of stock\")\n",
"\n",
"print(\"Customer orders:\", customer_orders)\n",
"print(\"Updated inventory:\", inventory)\n",
"\n",
"\n",
"\n",
" "
]
}
],
"metadata": {
"kernelspec": {
"display_name": "Python 3 (ipykernel)",
"display_name": "Python 3",
"language": "python",
"name": "python3"
},
Expand All @@ -55,7 +309,7 @@
"name": "python",
"nbconvert_exporter": "python",
"pygments_lexer": "ipython3",
"version": "3.9.13"
"version": "3.12.9"
}
},
"nbformat": 4,
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