Delete Duplicates in Array | Dataford Interview Questions

Write a Python code snippet to delete duplicate elements in an array of integers.

Implement remove_duplicates(nums) to return a new list containing each integer once, preserving the order of its first appearance. Do not modify the input list. The function should handle empty input and negative values.

Constraints

0 <= nums.length <= 10^4
-10^9 <= nums[i] <= 10^9
The input list must not be modified
Preserve the order of first appearances

Function Signature

def remove_duplicates(nums):

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Problem

Write a Python code snippet to delete duplicate elements in an array of integers.

Constraints

0 <= nums.length <= 10^4
-10^9 <= nums[i] <= 10^9
The input list must not be modified
Preserve the order of first appearances

Function Signature

def remove_duplicates(nums):

Your question is Delete Duplicates in Array. 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.