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Neither. Flask presumes that you know Python and that you understand how requests and responses work. This isn't impossible for a beginner, but it's certainly not likely.

Flask's main API is heavily based on decorators, and those are a perennial problem for new programmers.

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Would new programmers have trouble using decorators? With writing them, yes. But I think the idea of "tagging" your function is pretty approachable for even a new-programmer type.

As a newcomer I don't think I ever had much trouble with decorators. It took me a little time to understand exactly what was going on, but not too long. Even writing them seemed fairly straight-forward.

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