text: a1=["ayam","kucing","bebek","bangau","zebra"]
  test=[["cacing","ayam","kuda",'anoa','kancil'],['cacing','ayam','kuda','anoa','kancil','unta','cicak'],a1]
  
  def groupAnimals(lst):
      d={}
      hurufAwal="abcdefghijklmnopqrstuvwxyz"
      for l in lst:
          if l[0] in d:
              d[l[0]].append(l)
          else:
              d[l[0]]=[l]
  
      result=[]
      for h in hurufAwal:
          for key in d:
              if h==key:
                  result.append(d[key])
      return result
  
  
  
  print(groupAnimals(['cacing', 'ayam', 'kuda', 'anoa', 'kancil']))
  # [['ayam', 'anoa'], ['cacing'], ['kuda', 'kancil']]
  print(groupAnimals(['cacing', 'ayam', 'kuda', 'anoa', 'kancil', 'unta', 'cicak']))
  # [['ayam', 'anoa'], ['cacing', 'cicak'], ['kuda', 'kancil'], ['unta']]