python 合并csv文件

 -*- coding: utf-8 -*-
"""
Created on Wed Jun  8 22:46:26 2022

@author: shiyu
"""

# 读取数据
import pandas as pd

ans=[]
for i in range(64):
    data = pd.read_csv("{}.csv".format(i+1),encoding='gbk')
    print('第{}个'.format(i+1))
    ans.append(data)

out=pd.concat(ans,axis=0)
out.to_csv('out.csv',sep=',',index=False,header=True,encoding="utf_8_sig")