Write a Scheme function named elements which counts the number of elements in a list; for example: (elements '(1 (2 (3) 4) 56)) is6,whilethelengthofthesamelistis4.

In the Clite interpreter of Section 14.2.8, manually trace:

For the Clite interpreter discussed in tllls chapter, implement in Scheme the meaning of the relational and Boolean operators.

For the Clite interpreter discussed in this chapter, implement in Scheme the meaning of the assignment statement.

Transcribed Image Text:

(m-expression (plus (times (variable a) (variable b)) (value 2)) ((a 2) (b 4))) (m-expression (plus (times (variable a) (variable b)) (value 2)) ((a 2) (b 4)))