Question: Which lines of the code below represents the base case of the recursion? def tree op (fn, t): #1 #2 #3 if type (t)

Which lines of the code below represents the base case of the recursion? def tree op (fn, t): #1 #2 #3 if type (t) !=type ([]): return t left = tree op (fn, t[0]) right tree op (fn, t[1]) return fn (left, right) #5 #6

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