file = open(PATH+"write_test.txt", encoding="utf-8",mode="w")
file.write("君臣佐使")
file.write('\r\n')
file.close()
with open(PATH+"write_test.txt", encoding="utf-8",mode="a") as data:
data.write("神農本草經")
data.write('\r\n')
w模式是重寫(原文件的內容刪除),a模式是追加(原文件的內容保留)。