What does the code do? A) Plays a song from the playlist. B) If a song requested by the user is in the playlist, plays it; other wise adds it to the end of the playlist and then plays it. C) Moves a song dfrom its current position in the playlist to the end of it, then plays the next one in the list. D) Identifies songs the user wants to hear, but does not own. Provides a way to purchase the song and appends it to their playlist.

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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What does the code do?
A) Plays a song from the playlist.
B) If a song requested by the user is in the playlist, plays it; other wise adds it to the end of the playlist and then plays it.
C) Moves a song dfrom its current position in the playlist to the end of it, then plays the next one in the list.
D) Identifies songs the user wants to hear, but does not own. Provides a way to purchase the song and appends it to their playlist.

ownIt-false
song INPUT ()
FOR EACH songName IN playListl
IF(songName
ME song
play (song)
ownIt true
IF NOT (OwnIt)
M
APPEND (playListi, song)
play (song)
Transcribed Image Text:ownIt-false song INPUT () FOR EACH songName IN playListl IF(songName ME song play (song) ownIt true IF NOT (OwnIt) M APPEND (playListi, song) play (song)
What does the code do?
(A) Plays a song from the playlist.
(B) If a song requested by the user is in the
playlist, plays it; otherwise adds it to the
end of the playlist and then plays it.
(C) Moves a song from its current position in
the playlist to the end of it, then plays the
next one in the list.
(D) Identifies songs the user wants to hear, but
does not own. Provides a way to purchase
the song and appends it to their playlist.
Transcribed Image Text:What does the code do? (A) Plays a song from the playlist. (B) If a song requested by the user is in the playlist, plays it; otherwise adds it to the end of the playlist and then plays it. (C) Moves a song from its current position in the playlist to the end of it, then plays the next one in the list. (D) Identifies songs the user wants to hear, but does not own. Provides a way to purchase the song and appends it to their playlist.
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