import csv
log_path = 'log/temp.csv'
file = open(log_path, 'a+', encoding='utf-8', newline='')
csv_writer = csv.writer(file)
csv_writer.writerow([f'Epoch', 'Accuracy'])
csv_writer.writerow(['1', '96.25%'])
file.close()

import os
import pandas as pd

path = 'temp.csv'
# 一次寫入一行
df = pd.DataFrame(data=[['1', '98.2789%']])
# 一次寫入多行
df = pd.DataFrame(data=[['1', '98.2789%'], ['2', '76.2345%']])
# 解決追加模式寫的表頭重復問題
if not os.path.exists(path):
? ? df.to_csv(path, header=['epoch', 'accuracy'], index=False, mode='a')
else:
? ? df.to_csv(path, header=False, index=False, mode='a')