Question: Write a procedure (intercalate sep lst) where sep is a string and lst is a list of strings that returns a returns a string consisting

Write a procedure (intercalate sep lst) where sep is a string and lst is a list of strings that returns a returns a string consisting of the concatenation of the elements of lst separated by the string sep. For example (intercalate " " '("I" "love" "functional" "programming")) returns "I love functional programming" and (intercalate "--" '("A" "B" "C" "D")) returns "A--B--C--D".

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