Grading issue in week 1 housing prices

The code works properly but when I submit the assignment it throws an error about the

Failed test case: prediction is NOT close enough to 4.0 for houses with 7 bedrooms.
Expected:
a value close to 4.0 (with absolute tolerance of 0.05),
but got:
400.5941162109375.

You mind to send me your email address?

Thank you, I made a mistake in the code that the reason why I got that error, and now I solved it.

ok good​:v:


Eventhough the code is running correctly, getting grade 0. Getting error as ‘Keras’ not defined. Have already imported Keras and not getting any error while running.

Can you share an SS code?

Please use only the imports provided in the notebook. If your case, use tf.keras