関連ワード:  how to initialize an array in python    how to initialize an array in python with size    how to initialize an array in python with values    how to initialize an array in python numpy    how to initialize an array in python with 0    how to declare an array in python    how to instantiate an array in python    how to declare an array in python with size    how to declare an array in python using numpy    how to declare an array in python3