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Very simple line:
i = 3
a = 2 if i in [1, 3, 6] else a = 7
fails with:
SyntaxError: can't assign to conditional expression
whereas expanded as:
if i in [1, 3, 6]:
a = 2
else:
a = 7
works fine.
933
There are three conditional operators: && the logical AND operator. || the logical OR operator. ?: the ternary operator.
We cannot replace every if/else statement with the conditional operator. There are two requirements for doing so: There has to be one expression in both the if and else block. When there are several lines of code in those blocks, then we cannot replace the if/else statement with the conditional operator.
You are using it wrong. Use it this way:
a = 2 if i in [1, 3, 6] else 7
The general form is:
var = val1 if cond else val2
Should be
a = 2 if i in [1, 3, 6] else 7
You can read it as:
a = (((2 if i in [1, 3, 6] else 7)))
which is to say that the expression on the right side of the assignment sign is fully evaluated and the result then assigned to the left side. The expression itself is two values separated by the condition.
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