Exercise: Mutable Nested Fields

Problem Statement

You are given the winterfell record from the Record Mutation lesson. Your goal is to make the population field mutable and set its value to 100000.

Sample Input

population: 500000

Sample Output

population: 100000

Coding Challenge

The original records are available below. Try to recall what command could be used to make something mutable. Think carefully before making any changes to the records or record types.

If you feel like you’re stuck, refer to the solution review for help.

Good luck!