python实现给字典添加条目的方法

def addWord(theIndex,word,pagenumber):   theIndex.setdefault(word, [ ]).append(pagenumber)#存在就在基础上加入列表，不存在就新建个字典key  d = {"hello":[3]} #d = {} addWord(d,"hello",3) addWord(d,"hello",56) addWord(d,"nihao",24) print d 

{'nihao': [24], 'hello': [3, 3, 56]}