【学びなおし】
【Note】2021.09.01. https://note.com/horippy0724/n/na73304d35c0b
【Note】2021.09.21.
https://note.com/horippy0724/n/n99b3b8a09194
【Note】2021.09.01. https://note.com/horippy0724/n/na73304d35c0b
【Note】2021.09.21.
https://note.com/horippy0724/n/n99b3b8a09194