Why is it giving this error; When the value of W1,b1, W2,b2 are the same as expected values?

`Error: Wrong output for variable W1. Error: Wrong output for variable b1. Error: Wrong output for variable W2. Error: Wrong output for variable b2.`

Why is it giving this error; When the value of W1,b1, W2,b2 are the same as expected values?

`Error: Wrong output for variable W1. Error: Wrong output for variable b1. Error: Wrong output for variable W2. Error: Wrong output for variable b2.`

Expected output is shown only for one test case. You have only passed 2/3 test cases.

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Yes, please see this thread for one possible explanation. Note that thread is about the update parameters logic in the Week 3 assignment, but the same point applies in Week 4 as well.

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Thanks, @paulinpaloalto. The thread you mentioned is very useful. It solved the issue. I appreciate your help