Python 3.7

Write a recursive method remRec() that takes as input a list containing, possibly, duplicate values and returns a copy of the list in which one copy of every duplicate value was removed. Your program should use no loops.

>>> remRec([3])

[]

>>> remRec([3,3,3])

[3, 3]

>>> remRec([3,6,9,12,5])

[]

>>> remRec([3,9,9,3,9])

[3, 9, 9]

>>>