Hola, Pardon me if I am repeating others, I think I have read the whole thread now.
In 5.9 of the Language Reference it says: "Comparisons can be chained arbitrarily, e.g., x < y <= z is equivalent to x < y and y <= z" So this would mean that item == item in word2 means: item == item and item in word2 not (item == item) and (item in word2) which would first return each value in parentheses and place each value on either side of the boolean operator [ and ] Best regards, -Isaac Bob said: Take a look in 5.9 Comparisons in the Language Reference: "Comparisons can be chained arbitrarily, e.g., |x < y <= z| is equivalent to |x < y and y <= z|, except that |y| is evaluated only once (but in both cases |z| is not evaluated at all when |x < y| is found to be false)." Applying this to item == item in word2 yields: (item == item) and (item in word2)
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