contains Function

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[!IMPORTANT]
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contains determines whether the list, tuple, or set given in its first argument contains at least one element that is equal to the value in the second argument, using the same definition of equality as the == operator described in Equality Operators.

contains(list, value)

Examples

> contains(["a", "b", "c"], "a")
true
> contains(["a", "b", "c"], "d")
false