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Solved lab #585

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170 changes: 167 additions & 3 deletions lab-python-flow-control.ipynb
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Original file line number Diff line number Diff line change
Expand Up @@ -37,13 +37,177 @@
"\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": "885f111e-6e87-47d6-9b40-f9f53ba4c9e9",
"metadata": {},
"outputs": [
{
"name": "stdin",
"output_type": "stream",
"text": [
"Enter the quantity of t-shirt available in the inventory: 20\n",
"Enter the quantity of mug available in the inventory: 30\n",
"Enter the quantity of hat available in the inventory: 10\n",
"Enter the quantity of book available in the inventory: 80\n",
"Enter the quantity of keychain available in the inventory: 60\n"
]
},
{
"name": "stdout",
"output_type": "stream",
"text": [
"\n",
"Initial invetory:\n",
"{'t-shirt': 20, 'mug': 30, 'hat': 10, 'book': 80, 'keychain': 60}\n"
]
},
{
"name": "stdin",
"output_type": "stream",
"text": [
"Enter the name of product 1 to order: hat\n",
"Enter the name of product 2 to order: mug\n",
"Enter the name of product 3 to order: book\n"
]
},
{
"name": "stdout",
"output_type": "stream",
"text": [
"{'mug', 'book', 'hat'}\n"
]
}
],
"source": [
"#1. Look at your code from the lab data structures, and improve repeated code with loops\n",
"\n",
"# Define a list of products\n",
"products = [\"t-shirt\", \"mug\", \"hat\", \"book\", \"keychain\"]\n",
"\n",
"# Create an empty dictionary\n",
"inventory = {}\n",
"\n",
"# The code is already improved with loop for\n",
"\n",
"# We used the loop for to ask the users to input the quantity of each product available in the inventory\n",
"for p in products:\n",
" product_quantity = int(input(f\"Enter the quantity of {p} available in the inventory: \"))\n",
" inventory [p] = product_quantity\n",
" \n",
"print(f\"\\nInitial invetory:\")\n",
"print(inventory)\n",
"\n",
"# Create an empty set called customer_orders to avoid duplicated orders\n",
"customer_orders = set()\n",
"\n",
"# We used the loop for to ask the user to input the name of three products \n",
"for i in range(3):\n",
" product_name = input(f\"Enter the name of product {i+1} to order: \")\n",
" customer_orders.add (product_name)\n",
"\n",
"# Display the customer orders\n",
"print(customer_orders)\n"
]
},
{
"cell_type": "code",
"execution_count": 2,
"id": "a96779f2-aab8-42f9-8ce9-32b37d636f38",
"metadata": {},
"outputs": [
{
"name": "stdin",
"output_type": "stream",
"text": [
"Enter the name of a product to order: hat\n",
"Do you want to add another product ? (yes or no) : yes\n",
"Enter the name of a product to order: mug\n",
"Do you want to add another product ? (yes or no) : yes\n",
"Enter the name of a product to order: book\n",
"Do you want to add another product ? (yes or no) : yes\n",
"Enter the name of a product to order: mug\n",
"Do you want to add another product ? (yes or no) : no\n"
]
},
{
"name": "stdout",
"output_type": "stream",
"text": [
"Customer orders: \n",
"{'mug', 'book', 'hat'}\n"
]
}
],
"source": [
"#2. Instead of asking the user to input the name of three products that a customer wants to order, do the following:\n",
"customer_orders = set() \n",
"# we create the variable for the loop\n",
"add_product = \"yes\"\n",
"\n",
"#a. Prompt the user to enter the name of a product that a customer wants to order.\n",
"while add_product.lower() == \"yes\":\n",
" product_name = input(f\"Enter the name of a product to order: \").strip().lower()\n",
" \n",
"#b. Add the product name to the \"customer_orders\" set.\n",
" customer_orders.add(product_name)\n",
"\n",
"# c. Ask the user if they want to add another product (yes/no).\n",
" add_product = input(f\"Do you want to add another product ? (yes or no) :\")\n",
"\n",
"\n",
" \n",
" \n",
"#d. Continue the loop until the user does not want to add another product\n",
"\n",
"# continue asking for products until the user says \"no\"\n",
"while add_product.lower() == \"yes\":\n",
" \n",
" # Prompt the user to enter the name of a product\n",
" product_name = input(\"Enter the name of the product: \")\n",
" \n",
" #Add the product name to the set\n",
" customer_orders.add(product_name)\n",
" \n",
" #Ask if the user wants to add another product\n",
" add_product = input(f\"Do you want to add another product ? (yes/no): \") \n",
"\n",
"print (\"Customer orders: \")\n",
"print(customer_orders)"
]
},
{
"cell_type": "code",
"execution_count": 3,
"id": "a090fe32-d146-4204-97a7-426b14599ad5",
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"New quantity: {'t-shirt': 20, 'mug': 29, 'hat': 9, 'book': 79, 'keychain': 60}\n"
]
}
],
"source": [
"# 3. Instead of updating the inventory by subtracting 1 from the quantity of each product, \n",
"# Check whether the ordered product exists in inventory\n",
"for p in customer_orders:\n",
" if p in inventory:\n",
" inventory[p] -=1\n",
"\n",
"print(f\"New quantity: {inventory}\")"
]
}
],
"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 @@ -55,7 +219,7 @@
"name": "python",
"nbconvert_exporter": "python",
"pygments_lexer": "ipython3",
"version": "3.9.13"
"version": "3.13.5"
}
},
"nbformat": 4,
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