What are the differences between swap in C++ and Python?

Question

About swap, in C++, we can swap two by std::swap(x, y);. x and y are passed into swap as reference.

But

Answer 1

Actually, in Python, it's much more elegant:

(a,b) = (b,a)

You don't have to call a function at all. And, yes, as per the comments, the parentheses are unnecessary here. I still prefer them since I believe they make the intent clearer.

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Following edit:

Is there any other way not employing assignment (not using =)?

Possibly, though I don't know of one, and I can't imagine it would be simpler or more readable than the basic way shown above. If you're looking for a more complicated way of doing things that can be done simply, might I suggest that you're in the wrong mindset? :-)