Python Can you explain the code with comments? class linkedQueue:     class _Node:         def __init__(self, value, next = None):             self._data = value             self._next = next         def get_data(self):             return self._data         def set_data(self, value):             self._data = value         def get_next(self):             return self._next         def set_next(self, nodetopoint = None):             self._next =  nodetopoint          def __init__(self):         self._head = None         self._tail = None         self._size = 0          def enqueue(self, itemValue):         # Inserts a new item (the data of the item is set to itemValue) at the end of the queue and returns True. If unable to insert the item (due to error) return false.         #######################################################################         # Remove the pass statement and write your code         #######################################################################         pass     def dequeue(self):         # Removes the item from the front of the queue and returns it. For unsuccessful dequeue (due to error or when the queue is empty) return False         #######################################################################         # Remove the pass statement and write your code         #######################################################################         pass     def peek(self):         # Returns the item at the front of the queue without removing it from the queue. If queue is empty return false.         #######################################################################         # Remove the pass statement and write your code         #######################################################################         pass     def isEmpty(self):         # Returns true when queue is empty else returns false                 #######################################################################         # Remove the pass statement and write your code         #######################################################################              def getSize(self):         # Returns the size of the queue and for empty queue returns 0         #######################################################################         # Remove the pass statement and write your code         #######################################################################         pass     def _flipqueue(self):         # flips the direction of the links in the queue. So after this the item at the tail will become head and the item at the tail will become head         # Sample: Given the queue: head-> p -> o -> t -> None then after using this method the queue will become head -> t -> o -> p -> None         #######################################################################         # Remove the pass statement and write your code         #######################################################################         pass     def printQueue(self):         # Prints the items in the queue where the item in the left is the latest and item at the right is the oldest item. Use ' ' (white space) to seperate the items. If queue is empty print empty.         # Example: After enqueueing          # Q.enqueue(1)         # Q.enqueue(2)         # Q.enqueue(3)         # Q.enqueue(4)         # Q.printQueue()          # prints 4 3 2 1         #######################################################################         # Remove the pass statement and write your code         #######################################################################         pass

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Python

Can you explain the code with comments?

class linkedQueue:
    class _Node:
        def __init__(self, value, next = None):
            self._data = value
            self._next = next

        def get_data(self):
            return self._data

        def set_data(self, value):
            self._data = value

        def get_next(self):
            return self._next

        def set_next(self, nodetopoint = None):
            self._next =  nodetopoint
    
    def __init__(self):
        self._head = None
        self._tail = None
        self._size = 0
    
    def enqueue(self, itemValue):
        # Inserts a new item (the data of the item is set to itemValue) at the end of the queue and returns True. If unable to insert the item (due to error) return false.
        #######################################################################
        # Remove the pass statement and write your code
        #######################################################################
        pass

    def dequeue(self):
        # Removes the item from the front of the queue and returns it. For unsuccessful dequeue (due to error or when the queue is empty) return False
        #######################################################################
        # Remove the pass statement and write your code
        #######################################################################
        pass

    def peek(self):
        # Returns the item at the front of the queue without removing it from the queue. If queue is empty return false.
        #######################################################################
        # Remove the pass statement and write your code
        #######################################################################
        pass

    def isEmpty(self):
        # Returns true when queue is empty else returns false        
        #######################################################################
        # Remove the pass statement and write your code
        #######################################################################
        

    def getSize(self):
        # Returns the size of the queue and for empty queue returns 0
        #######################################################################
        # Remove the pass statement and write your code
        #######################################################################
        pass

    def _flipqueue(self):
        # flips the direction of the links in the queue. So after this the item at the tail will become head and the item at the tail will become head
        # Sample: Given the queue: head-> p -> o -> t -> None then after using this method the queue will become head -> t -> o -> p -> None
        #######################################################################
        # Remove the pass statement and write your code
        #######################################################################
        pass

    def printQueue(self):
        # Prints the items in the queue where the item in the left is the latest and item at the right is the oldest item. Use ' ' (white space) to seperate the items. If queue is empty print empty.
        # Example: After enqueueing 
        # Q.enqueue(1)
        # Q.enqueue(2)
        # Q.enqueue(3)
        # Q.enqueue(4)
        # Q.printQueue() 
        # prints 4 3 2 1
        #######################################################################
        # Remove the pass statement and write your code
        #######################################################################
        pass

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