import pandas as pd
df = pd.read_csv('music_log_upd.csv')

genre_grouping = df.groupby('user_id')['genre_name']

def user_genres(group):
  for col in group:
    if len(col[1]) > 50:
      user = col[0]
      return user

search_id = user_genres(genre_grouping)

music_user = df[(df['user_id']==search_id) & (df['total_play_seconds']>0)]

sum_music_user = music_user.groupby('genre_name')['total_play_seconds'].sum()
print(sum_music_user)