Add Two Strings and Return Result | Dataford Interview Questions

Baryons Software Solutions needs a utility that combines two user-provided text values. Given two strings of any supported length, return one string containing the first value immediately followed by the second.

Formal Specification

Implement concat_strings(first, second), where first and second are Python strings. Return a Python string formed by appending second to first. Preserve character order, whitespace, punctuation, casing, and Unicode characters exactly. Do not add separators, trim characters, or modify either input.

Constraints

first and second are valid Python strings
Either input may be empty
The combined length fits in available memory
No separator should be inserted

Function Signature

def concat_strings(first, second):

Your question is Add Two Strings and Return Result. Start with the requirements in the Question tab.

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Problem

Formal Specification

Constraints

first and second are valid Python strings
Either input may be empty
The combined length fits in available memory
No separator should be inserted

Function Signature

def concat_strings(first, second):

Your question is Add Two Strings and Return Result. 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.