题解 | 喜欢的颜色

d1={'Allen': ['red', 'blue', 'yellow'],'Tom': ['green', 'white', 'blue'],'Andy': ['black', 'pink']}
for i,j in sorted(d1.items()):
    print(f"{i}'s favorite colors are:")
    for w in range(len(j)):
      print(f"{j[w]}")