C2_W3 Final Assignement - Exercise 7: got 10/20

Cannot manage to get full score on Ex 7: nn_model, although All tests passed in the notebook.
Got the following grade comments below.
Thanks in advance

Failed test case: “default_check”. Wrong weights matrix W1…
Expected:
[[ 2.22641773 -1.95781602]
[ 1.92521557 -1.74008809]],
but got:
[[ 2.35081841 -1.73524261]
[ 2.0058011 -2.04217835]].

Failed test case: “default_check”. Wrong bias vector b1…
Expected:
[[ 6.31408636]
[-4.84201647]],
but got:
[[ 6.30583256]
[-4.84704547]].

Failed test case: “default_check”. Wrong weights matrix W2…
Expected:
[[ 7.12818935 -7.24882361]],
but got:
[[ 7.14145239 -7.20817667]].

Failed test case: “default_check”. Wrong bias vector b2…
Expected:
[[-3.43414637]],
but got:
[[-3.44021276]].

Failed test case: “extra_check”. Wrong weights matrix W1…
Expected:
[[-0.05350702 -0.10250995]
[-0.07303197 -0.1295294 ]
[-0.07487082 -0.11145172]],
but got:
[[-0.0701257 -0.10727109]
[-0.07207785 -0.10997259]
[-0.07226095 -0.10816387]].

Failed test case: “extra_check”. Wrong bias vector b1…
Expected:
[[0.03448384]
[0.03609865]
[0.0347455 ]],
but got:
[[0.03480425]
[0.0349662 ]
[0.03483139]].

Failed test case: “extra_check”. Wrong weights matrix W2…
Expected:
[[-0.39306094 -0.41154116 -0.40031599]],
but got:
[[-0.39877509 -0.40062235 -0.39949948]].

Failed test case: “extra_check”. Wrong bias vector b2…
Expected:
[[-0.74585916]],
but got:
[[-0.74847186]].

Hi!

It looks like the values are very close. How are you initializing the parameters? Which function do you use?

Your initialization is wrong you have to multiply the random weights with 0.01. Hope it helps. Best regards