Optimize Code for Performance | Dataford Interview Questions

Explain how you optimize your code for performance and scalability.

Implement the function below as a scalable solution that removes duplicate values while preserving the first occurrence of each value. The function must return a new list and must not modify the input.

Input: a list of hashable values. Output: a list containing each distinct value once, in original order.

Constraints

0 <= len(values) <= 100000
Each value is hashable
Preserve the order of first occurrence
Do not modify values

Function Signature

def deduplicate(values):

Your question is Optimize Code for Performance. 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

Explain how you optimize your code for performance and scalability.

Input: a list of hashable values. Output: a list containing each distinct value once, in original order.

Constraints

0 <= len(values) <= 100000
Each value is hashable
Preserve the order of first occurrence
Do not modify values

Function Signature

def deduplicate(values):

Your question is Optimize Code for Performance. 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.