我有一个嵌套列表,如何将其转换成字典
data = [["Employee","Salary","Age","Gender"],["001",1200,25,"M"],["002",1300,28,"M"],["003",1400,32,"M"],["004",1700,44,"F"]]
字典应该读下面的地方
dict = {'Employee':['001','002','003','004'],'Salary':[1200,1300,1400,1700],'Age':[25,28,32,44],'Gender':['M','M','M','F']}
我试图更改为 Pandas DataFrame 并将其转换为字典。 但我正在寻找从列表到字典的直接转换
感谢您的帮助。期待 Python 3 中的答案
请您参考如下方法:
一种方法是使用 zip,它按顺序遍历每个列表的第 i 个元素:
data = [["Employee","Salary","Age","Gender"],
["001",1200,25,"M"],
["002",1300,28,"M"],
["003",1400,32,"M"],
["004",1700,44,"F"]]
d = {k: v for k, *v in zip(*data)}
按照@Jean-FrançoisFabre 的建议,通过*v 解包,确保您的值是列表。
结果
{'Age': [25, 28, 32, 44],
'Employee': ['001', '002', '003', '004'],
'Gender': ['M', 'M', 'M', 'F'],
'Salary': [1200, 1300, 1400, 1700]}
另一种方法是使用pandas:
import pandas as pd
df = pd.DataFrame(data[1:], columns=data[0]).to_dict('list')
# {'Age': [25, 28, 32, 44],
# 'Employee': ['001', '002', '003', '004'],
# 'Gender': ['M', 'M', 'M', 'F'],
# 'Salary': [1200, 1300, 1400, 1700]}
