Advanced 6: Group totals by category
Scenario
You are a data analyst in the Conservation team. Use a dictionary to add up numbers per category.
Question
Write your code in the editor, press Check my answer, then try changing one small thing.
Your task
- Write your code in the editor
- Press Check my answer
- Look at the result on the right
Advanced · Comprehensions & Data Filtering — question 6 of 30
1. Choose your dataset
Pick an industry and a size. Your code and results change to match.
Advanced 6: Group totals by category
Write your code in the editor, press Check my answer, then try changing one small thing.
Your code cell is below. Press Check my answer to run the cell — the result appears as Out [1].
💡 Explain my whole code, line by line (hover any word in the editor for a tip)
🌈 In short — no coding words
Altogether: this script runs top to bottom, one line at a time, building up the answer step by step.
Dataset & schema
animal_counts
The tiny starter data. Bigger data scrolls.
Fields
| count_id | species | seen |
|---|---|---|
| A1 | Rhino | 4 |
| A2 | Lion | 7 |
| A3 | Rhino | 3 |
| A4 | Zebra | 12 |
Conservation data only.
$ Press “Check my answer” — results appear here.Your next steps
Each item turns green when your answer includes it.
- Uses .get(