但我不確定我是否理解你的意思。在import csv

from typing import List

from typing import Tuple

TableType = List[List[str]]

def load_csv_table(file_name: str) -> Tuple[List[str], TableType]:

with open(file_name) as csv_file:

csv_reader = csv.reader(csv_file, delimiter=',', quotechar='"', quoting=csv.QUOTE_MINIMAL)

headers = next(csv_reader)

data_table = list(csv_reader)

return headers, data_table

def save_csv_table(file_name: str, headers: List[str], data_table: TableType):

with open(file_name, 'w', newline='') as csv_file:

writer = csv.writer(csv_file, delimiter=',', quotechar='"', quoting=csv.QUOTE_MINIMAL)

writer.writerow(headers)

for row in data_table:

writer.writerow(row)

input_files = ['file1.csv', 'file2.csv', 'file3.csv']

new_table = []

new_headers = []

for file_name in input_files:

headers, data_table = load_csv_table(file_name)

if not new_headers:

new_headers = ['Source'] + headers

new_table.extend(([file_name] + line for line in data_table))

save_csv_table('output.csv', new_headers, new_table)

總結

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