In the following code for the pop method for a linked queue implementation, what is the missing code?
Def pop(self) :
OldItem = self.front.data
Self.front = self.front.next
If self.front is None:
Self.rear = None
< missing code >
Return oldItem

Question

In the following code for the pop method for a linked queue implementation, what is the missing code?
Def pop(self):
OldItem = self.front.data
Self.front = self.front.next
If self.front is None:
Self.rear = None
< missing code >
Return oldItem
A) self.rear -= 1
B) self.front = self.rear
C) self.size -= 1
D) self.size += 1

Quizplus · Accepted Answer

The missing code should decrease the size of the queue by 1 after removing an item, so the correct choice is to decrement the size by 1 using the statement "self.size -= 1". Choices A, B, and D are incorrect because they don't correctly update the size of the queue.

In the Following Code for the Pop Method for a Linked