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error handling done #434

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153 changes: 153 additions & 0 deletions .ipynb_checkpoints/lab_error_handling_python-checkpoint.ipynb
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{
"cells": [
{
"cell_type": "code",
"execution_count": 13,
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"Error: Quantity cannot be negative.\n",
"Error: Quantity cannot be negative.\n",
"Enter the product names one by one:\n",
"\n",
"Order Statistics:\n",
"Total Products Ordered: 3\n",
"Percentage of unique products ordered: 60.0%\n",
"\n",
"Updated Inventory:\n",
"t-shirt: 3\n",
"mug: 1\n",
"hat: 1\n",
"keychain: 3\n",
"\n",
"Total Price: 76.0\n"
]
}
],
"source": [
"def initialize_inventory(products):\n",
" inventory = {}\n",
" for product in products:\n",
" while True:\n",
" try:\n",
" quantity = int(input(f'Enter the quantity of {product}s available: '))\n",
" if quantity < 0:\n",
" raise ValueError('Quantity cannot be negative.')\n",
" inventory[product] = quantity\n",
" break\n",
" except ValueError as e:\n",
" print(f'Error: {e}') \n",
" return inventory\n",
"\n",
"def get_customer_orders(products, inventory):\n",
" while True:\n",
" try:\n",
" num_orders = int(input('Enter the number of customer orders: '))\n",
" if num_orders <= 0:\n",
" raise ValueError('Number of orders must be a positive integer.')\n",
" break \n",
" except ValueError as e:\n",
" print(f'Error: {e}')\n",
" print ('Enter the product names one by one:') \n",
" orders = set()\n",
" i = 0\n",
" while i < num_orders:\n",
" product = input(f'Product {i+1}: ').strip().lower()\n",
" if product not in products:\n",
" print('Invalid product name. Please choose a product from the list.')\n",
" elif inventory.get(product, 0) <= 0:\n",
" print (f'Sorry, {product} is out of stock.')\n",
" else:\n",
" orders.add(product)\n",
" i += 1\n",
" return {'orders': orders} \n",
"\n",
"def calculate_total_price(customer_orders):\n",
" prices = {} \n",
" for item in customer_orders['orders']:\n",
" while True:\n",
" try:\n",
" price = float(input(f'enter the price of {item}: ')) \n",
" if price < 0:\n",
" raise ValueError ('Price cannot be nagative.') \n",
" prices[item] = price\n",
" break \n",
" except ValueError as e:\n",
" print(f'Error: {e}')\n",
" total_price = sum(prices.values())\n",
" return total_price \n",
"\n",
" \n",
"\n",
"\n",
"def calculate_order_statistics(customer_orders, products):\n",
" total_products_ordered = len(customer_orders['orders'])\n",
" percentage_ordered = (total_products_ordered * 100) / len(products)\n",
" return total_products_ordered, percentage_ordered\n",
"\n",
"def print_order_statistics(order_statistics):\n",
" print('\\nOrder Statistics:')\n",
" print(f'Total Products Ordered: {order_statistics[0]}')\n",
" print(f'Percentage of unique products ordered: {order_statistics[1]:.1f}%')\n",
"\n",
"def update_inventory(inventory, customer_orders):\n",
" updated_inventory = {\n",
" product: (inventory[product] - 1 if product in customer_orders['orders'] else inventory[product])\n",
" for product in inventory\n",
" }\n",
" filtered_inventory = {product: qty for product, qty in updated_inventory.items() if qty > 0}\n",
" return filtered_inventory\n",
"\n",
"def print_updated_inventory(inventory):\n",
" print('\\nUpdated Inventory:')\n",
" for product, qty in inventory.items():\n",
" print(f'{product}: {qty}')\n",
"\n",
"\n",
"\n",
"def main():\n",
" products = ['t-shirt', 'mug', 'hat', 'book', 'keychain']\n",
" inventory = initialize_inventory(products)\n",
" customer_orders = get_customer_orders(products, inventory)\n",
"\n",
" order_statistics = calculate_order_statistics(customer_orders, products)\n",
" print_order_statistics(order_statistics)\n",
"\n",
" inventory = update_inventory(inventory, customer_orders)\n",
" print_updated_inventory(inventory)\n",
"\n",
" total_price = calculate_total_price(customer_orders)\n",
" print(f'\\nTotal Price: {total_price:.1f}')\n",
"\n",
"\n",
"\n",
"if __name__ == '__main__':\n",
" main()\n"
]
}
],
"metadata": {
"kernelspec": {
"display_name": "base",
"language": "python",
"name": "python3"
},
"language_info": {
"codemirror_mode": {
"name": "ipython",
"version": 3
},
"file_extension": ".py",
"mimetype": "text/x-python",
"name": "python",
"nbconvert_exporter": "python",
"pygments_lexer": "ipython3",
"version": "3.12.7"
}
},
"nbformat": 4,
"nbformat_minor": 2
}
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156 changes: 156 additions & 0 deletions lab_error_handling1.ipynb
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@@ -0,0 +1,156 @@
{
"cells": [
{
"cell_type": "code",
"execution_count": 1,
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"Error: Quantity cannot be negative.\n",
"Error: Quantity cannot be negative.\n",
"Enter the product names one by one:\n",
"Invalid product name. Please choose a product from the list.\n",
"Invalid product name. Please choose a product from the list.\n",
"\n",
"Order Statistics:\n",
"Total Products Ordered: 5\n",
"Percentage of unique products ordered: 100.0%\n",
"\n",
"Updated Inventory:\n",
"t-shirt: 1\n",
"hat: 1\n",
"book: 1\n",
"keychain: 1\n",
"\n",
"Total Price: 83.0\n"
]
}
],
"source": [
"def initialize_inventory(products):\n",
" inventory = {}\n",
" for product in products:\n",
" while True:\n",
" try:\n",
" quantity = int(input(f'Enter the quantity of {product}s available: '))\n",
" if quantity < 0:\n",
" raise ValueError('Quantity cannot be negative.')\n",
" inventory[product] = quantity\n",
" break\n",
" except ValueError as e:\n",
" print(f'Error: {e}') \n",
" return inventory\n",
"\n",
"def get_customer_orders(products, inventory):\n",
" while True:\n",
" try:\n",
" num_orders = int(input('Enter the number of customer orders: '))\n",
" if num_orders <= 0:\n",
" raise ValueError('Number of orders must be a positive integer.')\n",
" break \n",
" except ValueError as e:\n",
" print(f'Error: {e}')\n",
" print ('Enter the product names one by one:') \n",
" orders = set()\n",
" i = 0\n",
" while i < num_orders:\n",
" product = input(f'Product {i+1}: ').strip().lower()\n",
" if product not in products:\n",
" print('Invalid product name. Please choose a product from the list.')\n",
" elif inventory.get(product, 0) <= 0:\n",
" print (f'Sorry, {product} is out of stock.')\n",
" else:\n",
" orders.add(product)\n",
" i += 1\n",
" return {'orders': orders} \n",
"\n",
"def calculate_total_price(customer_orders):\n",
" prices = {} \n",
" for item in customer_orders['orders']:\n",
" while True:\n",
" try:\n",
" price = float(input(f'enter the price of {item}: ')) \n",
" if price < 0:\n",
" raise ValueError ('Price cannot be nagative.') \n",
" prices[item] = price\n",
" break \n",
" except ValueError as e:\n",
" print(f'Error: {e}')\n",
" total_price = sum(prices.values())\n",
" return total_price \n",
"\n",
" \n",
"\n",
"\n",
"def calculate_order_statistics(customer_orders, products):\n",
" total_products_ordered = len(customer_orders['orders'])\n",
" percentage_ordered = (total_products_ordered * 100) / len(products)\n",
" return total_products_ordered, percentage_ordered\n",
"\n",
"def print_order_statistics(order_statistics):\n",
" print('\\nOrder Statistics:')\n",
" print(f'Total Products Ordered: {order_statistics[0]}')\n",
" print(f'Percentage of unique products ordered: {order_statistics[1]:.1f}%')\n",
"\n",
"def update_inventory(inventory, customer_orders):\n",
" updated_inventory = {\n",
" product: (inventory[product] - 1 if product in customer_orders['orders'] else inventory[product])\n",
" for product in inventory\n",
" }\n",
" filtered_inventory = {product: qty for product, qty in updated_inventory.items() if qty > 0}\n",
" return filtered_inventory\n",
"\n",
"def print_updated_inventory(inventory):\n",
" print('\\nUpdated Inventory:')\n",
" for product, qty in inventory.items():\n",
" print(f'{product}: {qty}')\n",
"\n",
"\n",
"\n",
"def main():\n",
" products = ['t-shirt', 'mug', 'hat', 'book', 'keychain']\n",
" inventory = initialize_inventory(products)\n",
" customer_orders = get_customer_orders(products, inventory)\n",
"\n",
" order_statistics = calculate_order_statistics(customer_orders, products)\n",
" print_order_statistics(order_statistics)\n",
"\n",
" inventory = update_inventory(inventory, customer_orders)\n",
" print_updated_inventory(inventory)\n",
"\n",
" total_price = calculate_total_price(customer_orders)\n",
" print(f'\\nTotal Price: {total_price:.1f}')\n",
"\n",
"\n",
"\n",
"if __name__ == '__main__':\n",
" main()\n",
"#"
]
}
],
"metadata": {
"kernelspec": {
"display_name": "base",
"language": "python",
"name": "python3"
},
"language_info": {
"codemirror_mode": {
"name": "ipython",
"version": 3
},
"file_extension": ".py",
"mimetype": "text/x-python",
"name": "python",
"nbconvert_exporter": "python",
"pygments_lexer": "ipython3",
"version": "3.12.7"
}
},
"nbformat": 4,
"nbformat_minor": 2
}
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