W4_Ex-9_L_model_backward

Course Q&A Deep Learning Specialization Neural Networks and Deep Learning
1

I am having issues with Part 1 Porgramming Exercise.

“TypeError: bad operand type for unary -: ‘tuple’”

Screenshot (101)
Screenshot (101)1366×768 94 KB

I’m really lost at the moment.
@Mubsi, @Rashmi

2

Hello Posi Olomo,

You are putting the wrong value for current_cache for the last layer. Please check!

3

Thank you so much. I have been able to pass the exercise. I hope you have a great day ahead.

4

Glad to know that Posi. All the best.