sort_playlist

#sort playlist
def sort_music_asc(a):
  i = 0
  m = a[i][1]
  for m in range(len(a)-1,0,-1):
    for i in range(m):
      if a[i][1]>a[i+1][1]:
          temp = a[i]
          a[i] = a[i+1]
          a[i+1] = temp
  return a
#add sorted playlist
#return playlist with max number of songs
def playlist(a, t):
	a = sort_music_asc(a)
	playtime = 0
	play_list = []
	i = 0
	while i < len(a)-1:
		playtime = playtime + a[i][1]
		if playtime <= t:			
			play_list.append(a[i])		
		else:
			break
		i += 1
	return play_list


a = [('d',5),('s',6),('w',2),('q',3),('w',3),('q',2),('l',4),('t',4),('y',7)]
t = 25
print(playlist(a, t))