Explicit Loops for Array Doubling in Python

Array Concatenation: Explicit Loops Over Language Shortcuts for Clarity Python offers nums * 2 for array doubling, but explicit nested loops reveal the operation's structure clearly. This approach shows understanding of the underlying iteration (repeat twice, append each element) versus relying on language-specific syntax. Interview Signal: Demonstrates algorithmic thinking over language feature knowledge. Generalizes trivially to n copies (range(n)) or transformations during copy. Production code would use nums + nums for performance. Time: O(n) | Space: O(n) #ExplicitAlgorithms #CodeClarity #ArrayOperations #InterviewStrategy #Python #AlgorithmDesign #SoftwareEngineering

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