This question runs in a pre-configured Salesforce environment - no personal connection required.
Take a character ID and return their homeworld name using the Star Wars API. Make two API calls: first to get the character data, then to get their homeworld information.
Accept character IDs from 1-10 (valid Star Wars characters). Make a GET request to https://swapi.info/api/people/{characterId}, extract the homeworld URL from the character data, make a second GET request to the homeworld URL, and return the planet name from the homeworld data. Handle error cases (invalid IDs, API failures) by returning null.
Examples:
Input: characterId = 1
Output: "Tatooine"
Explanation: Luke Skywalker's homeworld is Tatooine
Input: characterId = 5
Output: "Alderaan"
Explanation: Princess Leia's homeworld is Alderaan
Input: characterId = 0
Output: null
Explanation: Invalid character ID, return null
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