Kyle Stanley wrote: > I agree, that syntax definitely seems counter-intuitive. If it came up in > a code review, I would request a revision to "A in B and B < C". >
Please recall that chained comparisons such are >>> A < B < C is to produce simple code when B is not an identifier, but an expression. For example >>> low < len(x) < high or >>> inner ** 2 < x**2 + y**2 + z**2 < outer**2 which determines if (x, y, z) is in a spherical shell. Even for "A < B < C" it might be better to have "A < B and B < C". Particularly if B and C are complicated expressions. -- Jonathan
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