関連ワード:  how to read character in python    how to read char in python    how to read single character in python    how to read character from string in python    how to read character from file in python    how to read each character in a string python    how to read each character in a file python    how to read first character of string in python    how to read a text file character by character in python    how to read one character at a time in python