In python>>> all_three(['Harry', 'Ron'], ['Harry', 'Hermione'], ['Hermione', 'Ron'])[]>>> all_three(['Aragorn', 'Gandalf', 'Gimli', 'Pippin'], ['Aragorn', 'Frodo', 'Gandalf'], ['Gandalf', 'Pippin'])['Gandalf']>>> all_three([], ['Zelda'], ['Ganondorf', 'Link', 'Zelda'])[]>>> all_three(['Kirk', 'Mary', 'Sue'], ['Mary', 'Spock', 'Sue'], ['Mary', 'Sue'])['Mary', 'Sue'] It is well documented that it is physically impossible for acollege student to have enough time to get good grades,have a social life, and get enough sleep: at most two ofthe three goals can be achieved. Therefore, any studentthat does appear to have all three things must be usingdark magic.Write a function all_three (social, grades,sleep) that takes in three lists of student names(strings), where social represents students who have asocial life, grades represents students who get goodgrades, and sleep represents students who get enoughsleep. The function must return a list of all students whoappear in all three lists (meaning that they must knowforbidden arcane secrets). You can assume that the listsare in alphabetical order.

I have provided PYTHON CODE along with CODE SCREENSHOT and OUTPUT…

Answered: In python >>> all_three(['Harry',…

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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In python >>> all_three(['Harry', 'Ron'], ['Harry', 'Hermione'], ['Hermione', 'Ron']) [] >>> all_three(['Aragorn', 'Gandalf', 'Gimli', 'Pippin'], ['Aragorn', 'Frodo', 'Gandalf'], ['Gandalf', 'Pippin']) ['Gandalf'] >>> all_three([], ['Zelda'], ['Ganondorf', 'Link', 'Zelda']) [] >>> all_three(['Kirk', 'Mary', 'Sue'], ['Mary', 'Spock', 'Sue'], ['Mary', 'Sue']) ['Mary', 'Sue']

It is well documented that it is physically impossible for a
college student to have enough time to get good grades,
have a social life, and get enough sleep: at most two of
the three goals can be achieved. Therefore, any student
that does appear to have all three things must be using
dark magic.
Write a function all_three (social, grades,
sleep) that takes in three lists of student names
(strings), where social represents students who have a
social life, grades represents students who get good
grades, and sleep represents students who get enough
sleep. The function must return a list of all students who
appear in all three lists (meaning that they must know
forbidden arcane secrets). You can assume that the lists
are in alphabetical order.

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