Course 1- week 4 - Ex 9: L_model_backward - I got an error

I got an error like this, please help

Hi @thanhnhan , the error description is already pointing in the direction where to look: too many indeces for an array. There is no index for dA_prev_temp and dW_temp or db_temp. You get these values from the linear_activation_backward function, without indices. Hope this gives you a hint what to correct in your code.

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