例:
last_names = ['Bakir','Jose','Pierce'] university = ['Davis','Stanford','George Town','Berkeley']
渴望以下
resulting_dictionary = {'Bakir':'Davis','Jose': ['Stanford','George Town'],'Pierce':'Berkeley'}
我尝试了以下内容
dictionary = {key:value for key,value in zip(last_names,university)}
但获得了以下内容:
{'Bakir': 'Davis','Jose': 'George Town','Pierce': 'Berkeley'}
由于姓氏列表中的重复键值.
思考?
解决方法
使用defaultdict
from collections import defaultdict d = defaultdict(list) for k,v in zip(last_names,university): d[k].append(v)