python CSV文件合并

import os import pandas as pd import glob def hebing(): csv_list = glob.glob('*.csv') print(u'共发现%s个CSV文件'% len(csv_list)) print(u'正在处理............') for i in csv_list: fr = open(i,'r').read() with open('haha.csv','a') as f: f.write(fr) print(u'合并完毕！') def quchong(file): df = pd.read_csv(file,header=0) datalist = df.drop_duplicates() datalist.to_csv(file) if __name__ == '__main__': hebing() quchong("haha.csv")