Week 3 practice lab: logistic regression_code issue

I am getting error that ‘TypeError: compute_gradient() takes 4 positional arguments but 5 were given’ in the 2.6 Learning parameters using gradient descent. Its a preset code cell and there in lamda_ given, although the function set in the previous cell does not need lambda_. This is before the regularisation part starts. please hlp

Please post back the code for the function definition line for your compute_gradient() function.

It should look like this: