In the following code for the __iter__ method in the ArrayList class, what is the missing code?
def __iter__(self): cursor = 0 while cursor < len(self): yield self.items[cursor]
A. self.items[cursor] = self.item[cursor-1]
B. cursor += 1
C. cursor -= 1
D. self.items[cursor+1] = self.item[cursor]
Answer: B
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