human
Complete this python program:
def jacobian1(f, v):
assistant
#Here is the Python program you requested.

    """jacobian of f wrt v
    """
    f = tt.flatten(f)
    idx = tt.arange(f.shape[0], dtype='int32')
    def grad_i(i):
        return gradient1(f[i], v)
    return theano.map(grad_i, idx)[0]