Dict-Ref

(dict-ref dict key default) -> value

Returns the value associated with key in dictionary. If the key is not found, the supplied default is returned, or #f if there is no default.

Examples:

>>(define a (dict '(alpha 1) '(beta 2) '(gamma 3)))
:: #f
>>(dict-ref a 'alpha)
:: (1)
>>(dict-ref a 'delta)
:: #f