如何将此字典列表转换为 csv 文件? [英] How do I convert this list of dictionaries to a csv file?

问题描述

我有一个看起来像这样的字典列表:

I have a list of dictionaries that looks something like this:

toCSV = [{'name':'bob','age':25,'weight':200},{'name':'jim','age':31,'weight':180}]

我应该怎么做才能将其转换为如下所示的 csv 文件:

What should I do to convert this to a csv file that looks something like this:

name,age,weight
bob,25,200
jim,31,180

推荐答案

import csv

to_csv = [
    {'name': 'bob', 'age': 25, 'weight': 200},
    {'name': 'jim', 'age': 31, 'weight': 180},
]

keys = to_csv[0].keys()

with open('people.csv', 'w', newline='') as output_file:
    dict_writer = csv.DictWriter(output_file, keys)
    dict_writer.writeheader()
    dict_writer.writerows(to_csv)

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