テキストファイル処理

import io
f = io.open(str(readpath), mode="r", encoding="utf-8")
strs = f.read()
f.close()

lines = strs.split("\n")

f = io.open(writepath, mode="w", encoding="utf-8")
for line in lines:
    f.writelines(line + "\n")
f.close()