【help of python】ones函数

>>> help(ones)Help on function ones in module numpy.core.numeric:ones(shape, dtype=None, order='C')Return a new array of given shape and type, filled with ones.Please refer to the documentation for `zeros` for further details.See Also--------zeros, ones_likeExamples-------->>> np.ones(5)array([ 1.,  1.,  1.,  1.,  1.])>>> np.ones((5,), dtype=np.int)array([1, 1, 1, 1, 1])>>> np.ones((2, 1))array([[ 1.],       [ 1.]])>>> s = (2,2)>>> np.ones(s)array([[ 1.,  1.],       [ 1.,  1.]])