如何操作列表字典？

Question

如何完成空白以获得输出：红衬衫蓝衬衫白衬衫蓝色牛仔裤黑色牛仔裤

wardrobe = {"shirt":["red","blue","white"], "jeans":["blue","black"]}
for __:
    for __:
        print("{} {}".format(__))

Answer 1

for key in wardrobe:
    for color in wardrobe[key]:
        print("{} {}".format(color, key))

Answer 2

wardrobe = {"shirt":["red","blue","white"], "jeans":["blue","black"]}
for item, colors in wardrobe.items():
    for color in colors:
        print("{} {}".format(color, item))