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lookup
Functionlookup
retrieves the value of a single element from a map, given its key.
If the given key does not exist, a the given default value is returned instead.
lookup(map, key, default)
> lookup({a="ay", b="bee"}, "a", "what?")
ay
> lookup({a="ay", b="bee"}, "c", "what?")
what?
element
retrieves a value from a list given its index.