関連ワード:  python create matrix of size n    python create array of size n    python create array of size n with value 0    python create array of size n with same value    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    python create array of size nxn    python create array of size n with value    python create array of size n with zeros