書き込み
with open("filepath", "w", encoding="utf-8") as f:
f.write(buffer)
読み込み
buffer = None
with open("filepath", "r", encoding="utf-8") as f:
buffer = f.read()
開発with open("filepath", "w", encoding="utf-8") as f:
f.write(buffer)
buffer = None
with open("filepath", "r", encoding="utf-8") as f:
buffer = f.read()