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87 changes: 87 additions & 0 deletions .ipynb_checkpoints/lab-python-data-structures-checkpoint.ipynb
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{
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"source": [
"# Lab | Data Structures "
]
},
{
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"metadata": {},
"source": [
"## Exercise: Managing Customer Orders\n",
"\n",
"As part of a business venture, you are starting an online store that sells various products. To ensure smooth operations, you need to develop a program that manages customer orders and inventory.\n",
"\n",
"Follow the steps below to complete the exercise:\n",
"\n",
"1. Define a list called `products` that contains the following items: \"t-shirt\", \"mug\", \"hat\", \"book\", \"keychain\".\n",
"\n",
"2. Create an empty dictionary called `inventory`.\n",
"\n",
"3. Ask the user to input the quantity of each product available in the inventory. Use the product names from the `products` list as keys in the `inventory` dictionary and assign the respective quantities as values.\n",
"\n",
"4. Create an empty set called `customer_orders`.\n",
"\n",
"5. Ask the user to input the name of three products that a customer wants to order (from those in the products list, meaning three products out of \"t-shirt\", \"mug\", \"hat\", \"book\" or \"keychain\". Add each product name to the `customer_orders` set.\n",
"\n",
"6. Print the products in the `customer_orders` set.\n",
"\n",
"7. Calculate the following order statistics:\n",
" - Total Products Ordered: The total number of products in the `customer_orders` set.\n",
" - Percentage of Products Ordered: The percentage of products ordered compared to the total available products.\n",
" \n",
" Store these statistics in a tuple called `order_status`.\n",
"\n",
"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",
"\n",
"9. Update the inventory by subtracting 1 from the quantity of each product. Modify the `inventory` dictionary accordingly.\n",
"\n",
"10. Print the updated inventory, displaying the quantity of each product on separate lines.\n",
"\n",
"Solve the exercise by implementing the steps using the Python concepts of lists, dictionaries, sets, and basic input/output operations. \n",
"\n",
"\n",
"\n",
"products = [\"t-shirt\", \"mug\", \"hat\", \"book\", \"keychain\"]\n",
"\n",
"inventory = {}\n",
"\n",
"customer_orders = ()\n",
"\n",
"user_input = input(\"\")\n",
"\n"
]
}
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111 changes: 107 additions & 4 deletions lab-python-data-structures.ipynb
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"\n",
"10. Print the updated inventory, displaying the quantity of each product on separate lines.\n",
"\n",
"Solve the exercise by implementing the steps using the Python concepts of lists, dictionaries, sets, and basic input/output operations. "
"Solve the exercise by implementing the steps using the Python concepts of lists, dictionaries, sets, and basic input/output operations. \n"
]
},
{
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"#Step 1:\n",
"\n",
"products = [\"t-shirt\", \"mug\", \"hat\", \"book\", \"keychain\"]\n",
"\n",
"#Step 2:\n",
"\n",
"inventory = {}\n",
"\n",
"#Step 3:\n",
"\n",
"#First, I'm asking the user to input the quantity for each item available in the list and storing it into a variable:\n",
"\n",
"tshirt_items_number = int(input(\"How many t-shirts are there in the inventory?\"))\n",
"\n",
"mug_items_number = int(input(\"How many mugs are there in the inventory?\"))\n",
"\n",
"hat_items_number = int(input(\"How many mugs are there in the inventory?\"))\n",
"\n",
"book_items_number = int(input(\"How many mugs are there in the inventory?\"))\n",
"\n",
"keychain_items_number = int(input(\"How many mugs are there in the inventory?\"))\n",
"\n",
"#now, I'll assign each quantity to the corresponding item, where the item is the key and the item number is the value\n",
"\n",
"inventory[\"t-shirt\"] = tshirt_items_number #dict[key] = value\n",
"\n",
"inventory[\"mug\"] = mug_items_number\n",
"\n",
"inventory[\"hat\"] = hat_items_number\n",
"\n",
"inventory[\"book\"] = book_items_number\n",
"\n",
"inventory[\"keychain\"] = keychain_items_number\n",
"\n",
"\n",
"#Step 4:\n",
"\n",
"customer_orders = set()\n",
"\n",
"#Step 5:\n",
"\n",
"order_1 = input(\"What is the first product your customer wants to order from the available ones?\")\n",
"\n",
"order_2 = input(\"What is the second product your customer wants to order from the available ones?\")\n",
"\n",
"order_3 = input(\"What is the third product your customer wants to order from the available ones?\")\n",
"\n",
"\n",
"customer_orders.add(order_1) #adding the first input as a single string\n",
"\n",
"customer_orders.add(order_2) #adding the second input as a single string\n",
"\n",
"customer_orders.add(order_3) #adding the third input as a single string\n",
"\n",
"#Step 6:\n",
"\n",
"print(customer_orders)\n",
"\n",
"#Step 7:\n",
"\n",
"total_products_ordered = int(len(customer_orders)) #counts number of items within the set\n",
"\n",
"percentage_ordered = int((total_products_ordered*100)/int(len(products))) #calculates the percentage of items purchased over the total number contained in our original list\n",
"\n",
"order_status = (total_products_ordered, percentage_ordered) #tuple containing the info above\n",
"\n",
"\n",
"#Step 8\n",
"\n",
"\n",
"print(f\"\"\"```\\nOrder Statistics:\\nTotal Products Ordered: {total_products_ordered}\\nPercentage of Products Ordered: {percentage_ordered}%\\n```\"\"\")\n",
"\n",
"#Step 9\n",
"\n",
"#updating each value in the dictionary by subtracting 1 from current value: value = (current) value - 1\n",
"\n",
"inventory[\"t-shirt\"] = int(inventory[\"t-shirt\"] - 1)\n",
"\n",
"inventory[\"mug\"] = int(inventory[\"mug\"] - 1)\n",
"\n",
"inventory[\"hat\"] = int(inventory[\"hat\"] - 1)\n",
"\n",
"inventory[\"book\"] = int(inventory[\"book\"] - 1)\n",
"\n",
"inventory[\"keychain\"] = int(inventory[\"keychain\"] - 1)\n",
"\n",
"\n",
"#Step 10:\n",
"\n",
"print(\"Updated Inventory:\\n\"\n",
" f\"t-shirt: {inventory['t-shirt']}\\n\" #using \\n to go to the next line after each key value pair\n",
" f\"mug: {inventory['mug']}\\n\"\n",
" f\"hat: {inventory['hat']}\\n\"\n",
" f\"book: {inventory['book']}\\n\"\n",
" f\"keychain: {inventory['keychain']}\")"
]
}
],
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Expand All @@ -68,7 +171,7 @@
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