For a resulting array what commands could you use to remove the first and last values of the array? Assuming it’s a Roa array, how could you add an extra value to the beginning of the array?

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
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For a resulting array what commands could you use to remove the first and last values of the array? Assuming it’s a Roa array, how could you add an extra value to the beginning of the array?
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Introduction :

Note: Answering the code in python as no language is mentioned.

Task :

  • Consider the array name Roa, 
    1. remove the element from the beginning 
    2. remove the element from the end
    3. add an element to the beginning of the array.
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