Thinking about FUNCTIONS
    TEST-CALL-A-FUNCTION has expanded your awareness.
    TEST-SHADOW-A-FUNCTION has expanded your awareness.
    TEST-OPTIONAL-PARAMETERS has expanded your awareness.
    TEST-OPTIONAL-PARAMETERS-WITH-INDICATION has expanded your awareness.
    TEST-FUNC-WITH-REST-PARAMS has expanded your awareness.
    TEST-KEY-PARAMS has expanded your awareness.
    TEST-KEY-PARAMS-CAN-HAVE-DEFAULTS has expanded your awareness.
    TEST-MANY-KINDS-PARAMS has expanded your awareness.
    TEST-LAMBDAS-ARE-NAMELESS-FUNCTIONS has expanded your awareness.
    TEST-LAMBDAS-CAN-HAVE-OPTIONAL-PARAMS has expanded your awareness.
    TEST-RETURN-FROM-FUNCTION-EARLY has expanded your awareness.
    TEST-LEXICAL-CLOSURE-OVER-ADDER has expanded your awareness.
    TEST-LEXICAL-CLOSURE-INTERACTIONS has expanded your awareness.
    TEST-APPLY-FUNCTION-WITH-APPLY has expanded your awareness.
    TEST-APPLY-FUNCTION-WITH-FUNCALL has expanded your awareness.