Question: What is lambda? What does it do overall and in this code? ( define isEven ( lambda ( x ) ( = ( modulo x

What is lambda? What does it do overall and in this code?
(define isEven (lambda (x)(=(modulo x 2)0))) ; => even?
(define negativeEven? (lambda (x)(and (isEven x)(negative?x)))) ; numbers both negative and even
What is lambda? What does it do overall and in this

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