dequeue operation the dequeue operation is little more involved than its enqueue counterpart operation new elements added to our queue end up in the inbound_stack instead of removing elements from the inbound_stackwe shift our attention to the outbound_stack as we saidelements can be deleted from our queue only through the outbound_stackif not self outbound_stackwhile self inbound_stackself outbound_stack append(self inbound_stack pop()return self outbound_stack pop(the if statement first checks whether the outbound_stack is empty or not if it is not emptywe proceed to remove the element at the front of the queue by doing the followingreturn self outbound_stack pop(if the outbound_stack is empty insteadall the elements in the inbound_stack are moved to the outbound_stack before the front element in the queue is popped outwhile self inbound_stackself outbound_stack append(self inbound_stack pop()the while loop will continue to be executed as long as there are elements in the inbound_stack the statement self inbound_stack pop(will remove the latest element that was added to the inbound_stack and immediately pass the popped data to the self outbound_stack append(method call initiallyour inbound_stack was filled with the elements and