add solution of hw2

hws/spotify_playlists/nyplaylists.cpp

@@ -1,5 +1,5 @@
 //An implement of CSCI-1200 HW1 Spotify Playlists
-//Author: Jinshan ZHou
+//Author: Jinshan Zhou
 //Date: 2025/1/16
 #include <vector>
 #include <string>

hws/spotify_playlists/output.txt

@@ -1,18 +0,0 @@
-"Someone Like You" Adele
-"Shallow" Lady Gaga, Bradley Cooper
-"Happier" Marshmello
-"Blinding Lights" The Weeknd
-"Levitating" Dua Lipa
-"Uptown Funk" Mark Ronson, Bruno Mars
-"Imagine" John Lennon
-"Bad Romance" Lady Gaga current
-"Hotel California" Eagles
-"Bohemian Rhapsody" Queen
-"Stairway to Heaven" Led Zeppelin
-"Smells Like Teen Spirit" Nirvana
-"Like a Rolling Stone" Bob Dylan
-"Hey Jude" The Beatles
-"Perfect" Ed Sheeran
-"Rolling in the Deep" Adele
-"Bad Guy" Billie Eilish
-"Dance Monkey" Tones and I