関連ワード:  what is initialization in python    what is __ init __ in python    what is __ init __ in python class    what is __ init __ in python called    what is __ init __ in python used for    what is __ init __ in python with example    what is __ init __ in python file    what is __ init __ in python module    what is variable initialization in python    what is lazy initialization in python