関連ワード:  python create an array of length n    python create an array of size n    python create an array of size n with same value    python declare an array of size n    python create empty array of length n    python create an empty array of size n    python create array of size n with value 0    python create array of size n with default value    python create array of size n with random values    python create array of size n with value 1