Question: 4. Define a SCHEME function, unzip, which takes a list of pairs ((a .b)... (an .bn)) and returns a pair consisting of the two lists

4. Define a SCHEME function, unzip, which takes a list of

4. Define a SCHEME function, unzip, which takes a list of pairs ((a .b)... (an .bn)) and returns a pair consisting of the two lists (a ...an) and (b. ... bn). (Note that these functions are not exactly inverses of each other, since zip takes its lists as a two arguments, while unzip produces a pair of lists.)

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