numpy savetext

1a_file = open("test.txt", "w")
2for row in an_array:
3    np.savetxt(a_file, row)
4
5a_file.close()

1numpy.savetxt(fname, X, fmt='%.18e', delimiter=' ', newline='\n', header='', footer='', comments='# ', encoding=None)

1np.savetxt('test.txt', DAT, delimiter=" ", fmt="%s")