Python: 文字列1文字おきにカンマ入れる
filename = "xxxxx.txt"
with open(filename, encoding="utf_8") as f:
data1 = f.read()
data2 = list(data1)
data3 =",".join(data2)
# 同じファイル名で保存
with open(filename, mode="w", encoding="utf_8") as f:
f.write(data3)
filename = "xxxxx.txt"
with open(filename, encoding="utf_8") as f:
data1 = f.read()
data2 = list(data1)
data3 =",".join(data2)
# 同じファイル名で保存
with open(filename, mode="w", encoding="utf_8") as f:
f.write(data3)