将几个csv文件合并为一个，python未对齐

Question

我有几个 csv 文件想要合并到一个文件中。

import os
import glob
import pandas as pd

os.chdir('/home/yovel/PycharmProjects/fantasyfinal/stats')

extension = 'csv'
all_filenames = [i for i in glob.glob('*.{}'.format(extension))]

combined_csv = pd.concat([pd.read_csv(f) for f in all_filenames], sort=False)
combined_csv.to_csv("statsmerger.csv", index=True, encoding='utf-8-sig')

输出：

Answer 1

看来concat中需要axis=1参数：

combined_csv = pd.concat([pd.read_csv(f) for f in all_filenames], sort=False, axis=1)