Give a number a name
Scenario
You are a data scientist in the Transport team. A variable is a labelled box. We put 5 in a box called delay_minutes.
Question
Write your code in the editor, look at the result, 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
Beginner · Data Filtering & Record Counting — question 1 of 30
1. Choose your dataset
Pick an industry and a size. Your code and results change to match.
Give a number a name
Write your code in the editor, look at the result, 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
bus_trips
The tiny starter data. Bigger data scrolls.
Fields
| trip_id | route | delay_minutes |
|---|---|---|
| T1 | R1 | 5 |
| T2 | R2 | 12 |
| T3 | R1 | 8 |
| T4 | R3 | 2 |
Transport data only.
$ Press “Check my answer” — results appear here.Your next steps
Each item turns green when your answer includes it.
- delay_minutes = 5
- Prints it