Help for optional section of C5W1A1 assignment

Hello,

     I am a little confused with the optional assignment for the function `run_backward`. The gradients for the single time step is correctly calculated. However, this particular function shows me wrong values. The shape of the output arrays are correct, though. I have already consulted the other questions in this forum for possible hints, but I am still not able to figure out where  I am wrong. It would be helpful if someone supplies me with some more suggestions. Thanks in advance.

Hi @soumdtt ,

Have you found a solution to this assignment. If not, please give us more info where the sticky points are.