user_list=[
{"name": "alex", "hobby": "抽烟"},
{"name": "alex", "hobby": "喝酒"},
{"name": "alex", "hobby": "烫头"},
{"name": "wusir", "hobby": "喊麦"},
{"name": "wusir", "hobby": "街舞"},
{"name": "alex", "hobby": "泡吧"},
{"name":"太白", "hobby":"开车"}
]
# [{"name": "alex", "hobby_list": ["抽烟","喝酒","烫头","泡吧"]},
# {"name": "wusir", "hobby_list": ["喊麦", "街舞"]},]
result = [] # {'name': 'alex', 'hobby_list': ['抽烟']}
for user in user_list:
# 1.对空列表进行for循环，判断是否在result里面存在了这个人,
如果存在. 把hobby_list添加一个hobby
# 2.不存在. 创建一个新字典
for new_user in result:
if user['name'] == new_user['name']:
new_user['hobby_list'].append(user['hobby'])
break
else:
dic = {}
dic["name"] = user['name']
dic['hobby_list'] = [user['hobby']]
result.append(dic)
print(result)
