Write a function removeN which takes three arguments called N, E and L (where L is a list) and returns a list equal to L but with the first N occurrences of E  in that list removed.  Note: only first N occurrences of E must be removed, not all occurrences!   If there are less than N occurrences of E in the list, then all occurrences of E should be removed. Using scheme language   Test Result (removeN 2 'a '(a b a c a d a)) (b c a d a) (removeN 4 'a '(a b a c a d a)) (b c d)

Computer Networking: A Top-Down Approach (7th Edition)
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ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
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Write a function removeN which takes three arguments called N, E and L (where L is a list) and returns a list equal to L but with the first N occurrences of E  in that list removed. 

Note: only first N occurrences of E must be removed, not all occurrences!  

If there are less than N occurrences of E in the list, then all occurrences of E should be removed.

Using scheme language

 

Test Result
(removeN 2 'a '(a b a c a d a)) (b c a d a)
(removeN 4 'a '(a b a c a d a)) (b c d)
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