Python append csv to dataframe

Pandas append csv files a+

df.to_csv('my_csv.csv', mode='a', header=False)

Pandas append csv file

df.to_csv('my_csv.csv', mode='a', header=False)

Source: stackoverflow.com

Python append csv to dataframe

import pandas as pd
import glob

path = r'C:\DRO\DCL_rawdata_files' # use your path
all_files = glob.glob(path + "/*.csv")

li = []

for filename in all_files:
    df = pd.read_csv(filename, index_col=None, header=0)
    li.append(df)

frame = pd.concat(li, axis=0, ignore_index=True)

Source: stackoverflow.com

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