Question: Solve using lisp program not python or java. ( lisp emacs ) Write a function called filter-seq that takes a sequences (a string) and an

Solve using lisp program not python or java. ( lisp emacs )

Write a function called filter-seq that takes a sequences (a string) and

Write a function called filter-seq that takes a sequences (a string) and an alphabet a (a string), and generates a result sequence (a string) by including only the characters of s that occur in the alphabet a. The unit test below includes test cases that your solution for this exercise must pass. (deftest test-filter-seq () (check (equal (filter-seq "sdafgacs" "abcf") "afac") (equal (filter-seq "" "abcf") "") (equal (filter-seq "sdafgacs" "") "") (equal (filter-seq "sdafgacs" "abcfs") "safacs")))

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