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You are a Category Manager at Amazon. The Merchandising team needs to identify the premium (highest-priced) product in each category for a "Category Leaders" promotional campaign. Find the most expensive product in each category.
This requires finding the row with the maximum value within each group - a common interview question.
| Column Name | Type |
|---|---|
| product_id | int64 |
| sku | object |
| product_name | object |
You are a Category Manager at Amazon. The Merchandising team needs to identify the premium (highest-priced) product in each category for a "Category Leaders" promotional campaign. Find the most expensive product in each category.
This requires finding the row with the maximum value within each group - a common interview question.
| Column Name | Type |
|---|---|
| product_id | int64 |
| sku | object |
| product_name | object |
| category |
| category |
| object |
| object |
| price | float64 |
| price | float64 |
| currency | object |
| currency | object |
| is_active | int64 |
| is_active | int64 |
| weight_kg | float64 |
| weight_kg | float64 |
| created_at | object |
| created_at | object |
| product_id | sku | product_name | category | price | currency | is_active | weight_kg | created_at |
|---|---|---|---|---|---|---|---|---|
| 1 | SKU-10001 | Casper Original Mattress Queen | Home | 1095.0 | USD |
| product_id | sku | product_name | category | price | currency | is_active | weight_kg | created_at |
|---|---|---|---|---|---|---|---|---|
| 1 | SKU-10001 | Casper Original Mattress Queen | Home | 1095.0 | USD |
| product_id | product_name | category | price |
|---|---|---|---|
| 19 | Ray-Ban Aviator Classic Sunglasses | Apparel | 163 |
| 2 | Dyson Supersonic Hair Dryer | Beauty | 429.99 |
| 31 | Becoming by Michelle Obama | Books | 19.99 |
| 42 | Bose QuietComfort 45 | Electronics |
| product_id | product_name | category | price |
|---|---|---|---|
| 19 | Ray-Ban Aviator Classic Sunglasses | Apparel | 163 |
| 2 | Dyson Supersonic Hair Dryer | Beauty | 429.99 |
| 31 | Becoming by Michelle Obama | Books | 19.99 |
| 42 | Bose QuietComfort 45 | Electronics |
Showing first 5 of 8 rows.
Showing first 5 of 8 rows.
1. Selection:
2. Output:
1. Selection:
2. Output:
| 1 |
| 1 |
| 31.75 |
| 31.75 |
| 2025-02-14 10:57:38 |
| 2025-02-14 10:57:38 |
| 2 | SKU-10002 | Dyson Supersonic Hair Dryer | Beauty | 429.99 | USD | 1 | 0.66 | 2025-02-27 07:20:29 |
| 2 | SKU-10002 | Dyson Supersonic Hair Dryer | Beauty | 429.99 | USD | 1 | 0.66 | 2025-02-27 07:20:29 |
| 3 | SKU-10003 | CalDigit TS4 Thunderbolt Dock | Office | 399.99 | USD | 1 | 0.5 | 2024-12-11 00:49:57 |
| 3 | SKU-10003 | CalDigit TS4 Thunderbolt Dock | Office | 399.99 | USD | 1 | 0.5 | 2024-12-11 00:49:57 |
| 4 | SKU-10004 | Under Armour Tech 2.0 T-Shirt | Sports | 25.0 | USD | 1 | 0.15 | 2024-11-22 04:49:00 |
| 4 | SKU-10004 | Under Armour Tech 2.0 T-Shirt | Sports | 25.0 | USD | 1 | 0.15 | 2024-11-22 04:49:00 |
| 5 | SKU-10005 | Staples TRU RED Copy Paper 10-Ream | Office | 54.99 | USD | 1 | 22.68 | 2025-01-10 01:43:59 |
| 5 | SKU-10005 | Staples TRU RED Copy Paper 10-Ream | Office | 54.99 | USD | 1 | 22.68 | 2025-01-10 01:43:59 |
| 329.99 |
| 329.99 |
| 1 | Casper Original Mattress Queen | Home | 1095 |
| 1 | Casper Original Mattress Queen | Home | 1095 |