Error in Week2 Assignment of Optimization Methods Deeplearning

Dear Friends hope you all are doing good. I am facing this error which I tried alot to solve but could not If any one can help me I would be very thankfull to him/her. Here is the screen short for your understanding.


First, you posted this in the General Discussions but I guess this belongs to DLS course 2. Please move it to the right category as described here.

Second, there are a lot of threads discussing this issue. Please use the search bar to search the same error like this.


Than you bro