Deduplicating Patient IDs | Dataford Interview Questions

Write a function to deduplicate a list of patient IDs.

Return a new list containing each patient ID once, preserving the order of its first appearance. The input is a list of strings, and the function must not modify the original list. Return an empty list when the input is empty.

Function signature: def deduplicate_patient_ids(patient_ids):

Constraints

0 <= len(patient_ids) <= 1000
Each patient ID is a non-empty string
Patient IDs are case-sensitive
The original input list must not be modified

Function Signature

def deduplicate_patient_ids(patient_ids):

Your question is Deduplicating Patient IDs. Start with the requirements in the Question tab.

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Problem

Write a function to deduplicate a list of patient IDs.

Function signature: def deduplicate_patient_ids(patient_ids):

Constraints

0 <= len(patient_ids) <= 1000
Each patient ID is a non-empty string
Patient IDs are case-sensitive
The original input list must not be modified

Function Signature

def deduplicate_patient_ids(patient_ids):

Your question is Deduplicating Patient IDs. 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.