![]() The get, size, and display methods The Output Conclusion Get Latest Updates on AskPython Name Email. ![]() Hope you had fun learning, and see you in the next tutorial. The Output Let us see the output of the code: Double Ended Queue Output Conclusion In this tutorial, we saw how to create a double ended queue, we implemented it in python, and we saw its output. In the size method, we simply return the count that contains the number of items in the list. If the specified index is out of range, then we raise a ValueError. In the removeend method too, we check if the list is empty, and if so, then we raise a ValueError.Īfter that, we pop the item at the end of the list, decrement the count, and return the popped item. Het fragment toont hoe Alcmene bidt tot Hera om een einde te maken aan de tirannie van haar man, Amphytrion omdat zij zijn oorlogzuchtigheid moe is. The removestart and removeend methods In the removestart method, we check if the list is empty, and if so, then we raise a ValueError.Īfter that, we pop the item at index 0, decrement the count, and return the popped item. The insertstart and insertend methods In the insertstart method, we simply insert the new element at index 0 of the list queue, and we increment the count of items in the list. In the repr method, we create the string that will be used to print the double-ended queue. ![]() The init and repr methods In the init method, we declare a list named queue that will contain the deque, and a counter to count the number of items in the list. Theres many methods, let us discuss them one by one. We will not be using the inbuilt collections package, instead, we will implement it ourselves. Raise Valueerror Python How To Create A. ![]()
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May 2023
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