| import array | |
| a = array.array('B', [1, 2, 3]) | |
| print(a, len(a)) | |
| i = array.array('I', [1, 2, 3]) | |
| print(i, len(i)) | |
| print(a[0]) | |
| print(i[-1]) | |
| # Empty arrays | |
| print(len(array.array('h'))) | |
| print(array.array('i')) | |
| # bool operator acting on arrays | |
| print(bool(array.array('i'))) | |
| print(bool(array.array('i', [1]))) | |
| # bad typecode | |
| try: | |
| array.array('X') | |
| except ValueError: | |
| print("ValueError") |