✅ File written successfully. ✅ Lines appended successfully.
--- Reading File ---
- Topic 1: Variables store data. Python is dynamically typed.
- Topic 2: Lists are ordered and mutable.
- Topic 3: Dictionaries store key-value pairs.
- Topic 4: Loops automate repetitive tasks.
- Topic 5: Exception handling prevents crashes.
- Topic 6: Functions help reuse code.
- Topic 7: Modules help organize code.
Total number of lines: 7
Enter keyword to search: help
Search Results: Topic 6: Functions help reuse code. Topic 7: Modules help organize code.
1 | Essence Mascara Lash Princess | beauty | $9.99 | 2.56 2 | Eyeshadow Palette with Mirror | beauty | $19.99 | 2.86 3 | Powder Canister | beauty | $14.99 | 4.64 4 | Red Lipstick | beauty | $12.99 | 4.36 5 | Red Nail Polish | beauty | $8.99 | 4.32 6 | Calvin Klein CK One | fragrances | $49.99 | 4.37 7 | Chanel Coco Noir Eau De | fragrances | $129.99 | 4.26 8 | Dior J'adore | fragrances | $89.99 | 3.8 9 | Dolce Shine Eau de | fragrances | $69.99 | 3.96 10 | Gucci Bloom Eau de | fragrances | $79.99 | 2.74 11 | Annibale Colombo Bed | furniture | $1899.99 | 4.77 12 | Annibale Colombo Sofa | furniture | $2499.99 | 3.92 13 | Bedside Table African Cherry | furniture | $299.99 | 2.87 14 | Knoll Saarinen Executive Conference Chair | furniture | $499.99 | 4.88 15 | Wooden Bathroom Sink With Mirror | furniture | $799.99 | 3.59 16 | Apple | groceries | $1.99 | 4.19 17 | Beef Steak | groceries | $12.99 | 4.47 18 | Cat Food | groceries | $8.99 | 3.13 19 | Chicken Meat | groceries | $9.99 | 3.19 20 | Cooking Oil | groceries | $4.99 | 4.8
--- Filtered Products (Rating ≥ 4.5, Sorted by Price Desc) --- Annibale Colombo Bed | $1899.99 | Rating: 4.77 Knoll Saarinen Executive Conference Chair | $499.99 | Rating: 4.88 Powder Canister | $14.99 | Rating: 4.64 Cooking Oil | $4.99 | Rating: 4.8
--- Laptops Category --- Apple MacBook Pro 14 Inch Space Grey — $1999.99 Asus Zenbook Pro Dual Screen Laptop — $1799.99 Huawei Matebook X Pro — $1399.99 Lenovo Yoga 920 — $1099.99 New DELL XPS 13 9300 Laptop — $1499.99
--- Creating New Product (Simulated) --- Response from server: {'id': 195, 'title': 'My Custom Product', 'price': 999, 'description': 'A product I created via API', 'category': 'electronics'}
--- Safe Divide Tests --- 5.0 Error: Cannot divide by zero Error: Invalid input types
--- File Read Test (Valid) --- File operation attempt complete. Topic 1: Variables store data. Python is dynamically typed. Topic 2: Lists are ordered and mutable. Topic 3: Dictionaries store key-value pairs. Topic 4: Loops automate repetitive tasks. Topic 5: Exception handling prevents crashes. Topic 6: Functions help reuse code. Topic 7: Modules help organize code.
--- File Read Test (Invalid) --- Error: File 'ghost_file.txt' not found. File operation attempt complete. None
--- Robust API Call --- Essence Mascara Lash Princess Eyeshadow Palette with Mirror Powder Canister Red Lipstick Red Nail Polish
--- Product Lookup ---
Enter a product ID (1–100) or 'quit': 10 Gucci Bloom Eau de — $79.99
Enter a product ID (1–100) or 'quit': quit Exiting...
--- Testing Connection Error --- Connection failed (expected). Logging error...
--- Testing HTTP Error (404) --- HTTP error detected. Logging error...
--- Error Log Contents --- [2026-04-03 22:32:48] ERROR in fetch_products: ConnectionError — HTTPSConnectionPool(host='this-host-does-not-exist-xyz.com', port=443): Max retries exceeded with url: /api (Caused by NameResolutionError("HTTPSConnection(host='this-host-does-not-exist-xyz.com', port=443): Failed to resolve 'this-host-does-not-exist-xyz.com' ([Errno 11001] getaddrinfo failed)")) [2026-04-03 22:32:49] ERROR in lookup_product: HTTPError — 404 Not Found for product ID 999 [2026-04-03 22:40:23] ERROR in fetch_products: ConnectionError — HTTPSConnectionPool(host='this-host-does-not-exist-xyz.com', port=443): Max retries exceeded with url: /api (Caused by NameResolutionError("HTTPSConnection(host='this-host-does-not-exist-xyz.com', port=443): Failed to resolve 'this-host-does-not-exist-xyz.com' ([Errno 11001] getaddrinfo failed)")) [2026-04-03 22:40:29] ERROR in lookup_product: Timeout — Request took too long [2026-04-03 22:42:09] ERROR in fetch_products: ConnectionError — HTTPSConnectionPool(host='this-host-does-not-exist-xyz.com', port=443): Max retries exceeded with url: /api (Caused by NameResolutionError("HTTPSConnection(host='this-host-does-not-exist-xyz.com', port=443): Failed to resolve 'this-host-does-not-exist-xyz.com' ([Errno 11001] getaddrinfo failed)")) [2026-04-03 22:42:11] ERROR in lookup_product: HTTPError — 404 Not Found for product ID 999 [2026-04-03 22:42:45] ERROR in fetch_products: ConnectionError — HTTPSConnectionPool(host='this-host-does-not-exist-xyz.com', port=443): Max retries exceeded with url: /api (Caused by NameResolutionError("HTTPSConnection(host='this-host-does-not-exist-xyz.com', port=443): Failed to resolve 'this-host-does-not-exist-xyz.com' ([Errno 11001] getaddrinfo failed)")) [2026-04-03 22:42:46] ERROR in lookup_product: HTTPError — 404 Not Found for product ID 999
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