#%%
favorite_languages = {

    'jen': ['python','ruby'],

    'sarah': ['c'],

    'edward': ['ruby','go'],

    'phil': ['python','haskell']

    }


languages  = ""
for name in favorite_languages :
     # 每次循环都重新赋值languages
     languages = favorite_languages[name]
     print(languages)

for language in languages:
     print('\t'+language.title())
# %%