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我想从目录中读取几个csv文件到pandas并将它们连接成一个大的DataFrame.我虽然无法弄明白.这是我到目前为止:

import glob
import pandas as pd

# get data file names
path =r'C:\DRO\DCL_rawdata_files'
filenames = glob.glob(path + "/*.csv")

dfs = []
for filename in filenames:
    dfs.append(pd.read_csv(filename))

# Concatenate all data into one DataFrame
big_frame = pd.concat(dfs, ignore_index=True)

我想在for循环中需要一些帮助???