慕桂英4014372
1234567Python 3.6.1 (default, Mar 22 2017, 06:17:05) [GCC 6.3.0 20170321] on linuxType "help", "copyright", "credits" or "license" for more information.>>> import numpy as np>>> a = np.arange(10)>>> str(a)'[0 1 2 3 4 5 6 7 8 9]'