python extend append_坚持的力量_append extend python

list.append(object) 向列表中添加一个对象object

music_media = ['compact disc', '8-track tape', 'long playing record']
new_media = ['DVD Audio disc', 'Super Audio CD']
music_media.append(new_media)
print(music_media)
>>>['compact disc', '8-track tape', 'long playing record', ['DVD Audio disc', 'Super Audio CD']]
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