This class will be held in the location of our labs, MI 302.
Sumbit your solutions to the following exercises electronically
in a file called ex.scm contained in a folder called
class04.
Write the following functions as described in the slides.
Use higher-order functions such as map and filter
as well as the function-creator lambda to write
these without (explicitly) using recursion.
(facsum n) from slide 7.(my-factorial n) from slide 7.(my-length n) from slide 7.