05.02.21 09:51, Paul Sokolovsky пише:
> a0 = 0
> b0 = 10
> while ((a1, b1) := phi([a0, a2], [b0, b2]))[0] < 5:
>     a2 = a1 + 1
>     b2 = b1 + 1

Such code quickly becomes unreadable. Especially if in real code
function has additional arguments and names are longer that 2-3 characters.

The following code is not much larger but more clear and extensible:

a0 = 0
b0 = 10
while True:
    a1, b1 := phi([a0, a2], [b0, b2]))
    if b1 >= 5:
        break
    a2 = a1 + 1
    b2 = b1 + 1
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