Sorting Patient Records Function | Dataford Interview Questions

Write a function to sort a list of patient records by last name.

Implement sort_patient_records(records), where records is a list of dictionaries containing patient_id, first_name, and last_name. Return a new list ordered lexicographically by last_name; records with identical last names must retain their original relative order. Do not modify the input list.

Constraints

0 <= len(records) <= 10^4
Each record contains string keys patient_id, first_name, and last_name
Each last_name is a non-empty string
The input list must not be modified
Sorting is case-sensitive and uses standard lexicographic string order

Function Signature

def sort_patient_records(records):

Your question is Sorting Patient Records Function. Start with the requirements in the Question tab.

Run and submit as often as you like. When you're ready, talk me through your approach or go straight to the code.

Problem

Write a function to sort a list of patient records by last name.

Constraints

0 <= len(records) <= 10^4
Each record contains string keys patient_id, first_name, and last_name
Each last_name is a non-empty string
The input list must not be modified
Sorting is case-sensitive and uses standard lexicographic string order

Function Signature

def sort_patient_records(records):

Your question is Sorting Patient Records Function. Start with the requirements in the Question tab.

Run and submit as often as you like. When you're ready, talk me through your approach or go straight to the code.