Remove Duplicate Keys from Object | Dataford Interview Questions

Delete duplicate value keys from an object - Input={a: 1, b: 2, c: 3, d: 1} Output={a:1,b:2,c:3}

Asked in the Round 2 stage. Coding section of Round 2 post. Implement the task for a Python dictionary, retaining the first key associated with each value and preserving insertion order.

Function: def delete_duplicate_value_keys(obj):

The input is a dictionary with hashable values. Return a new dictionary containing only the first key for each distinct value.

Constraints

0 <= len(obj) <= 1000
All values are hashable
If multiple keys have the same value, retain the first key in dictionary insertion order
Return a new dictionary and do not modify obj

Function Signature

def delete_duplicate_value_keys(obj):

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