Week 2 Assigment

Hey guys I am now at the assigment of week 2 machine learning assigment ,
I don’t understand what I should do please help

Follow the instructions in the notebook.

Please ask a more specific question.

excuse me i didn’t specify , I meant in Excersice 1 I don’t understand what i do , i put the code for the compute cost but still it gave me an error when i tried running it as compute code wasn/t specified

Be sure that you run all of the cells in the notebook, starting from the top, every time you open it.

Please post a screen capture image that shows the error message and any asserts.