Modify the __init__ method to add an instance variable logicalSize.This variable is initially 0 and will track the number of items currently available to users of the array.Define the size() method.This method should return the array’s logical size.The method __len__should still return the array’s capacity or physical size.To test your program run the main() method in the arrays.py file.Your program's output should look like the following:Physical size: 10 Logical size: 0 Items: [None, None, None, None, None, None, None, None, None, None]

Answered: Modify the __init__ method to add an…

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

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Modify the __init__ method to add an instance variable logicalSize.
- This variable is initially 0 and will track the number of items currently available to users of the array.
Define the size() method.
- This method should return the array’s logical size.
- The method __len__should still return the array’s capacity or physical size.

To test your program run the main() method in the arrays.py file.

Your program's output should look like the following:

Physical size: 10 Logical size: 0 Items: [None, None, None, None, None, None, None, None, None, None]

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