Programming Languages Familiarity | Dataford Interview Questions

What programming languages are you familiar with?

For this coding exercise, represent the response as a list of language names and return a normalized list with duplicates removed while preserving first appearance order. Input is a list of strings, and output is a list of strings. Matching is case-insensitive, but preserve the capitalization of each language's first occurrence.

Constraints

0 <= len(languages) <= 10000
Each language name is a non-empty string
Comparison is case-insensitive
The capitalization of the first occurrence must be preserved

Function Signature

def normalize_languages(languages):

Your question is Programming Languages Familiarity. 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

What programming languages are you familiar with?

Constraints

0 <= len(languages) <= 10000
Each language name is a non-empty string
Comparison is case-insensitive
The capitalization of the first occurrence must be preserved

Function Signature

def normalize_languages(languages):

Your question is Programming Languages Familiarity. 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.