C2_W1_Assignment peaking at 0.8900

Hi - I can’t get validation of 0.89. I have tried modifying many of the variables with no significant change. After reveiwing this forum and some other research, I tried using ADAM instead of RMSprop but I can’t figure out the syntax as I keep getting the message: AttributeError: ‘Sequential’ object has no attribute ‘parameters’. Any suggestions on how to get past this? I have worked on this so long that I had to purchase a month’s subscription from Colab.
Thanks. John

This page tells how to select a different optimizer when you use the Sequential model:

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Does this help?

Update: I lowered some of the variables and increased the epochs and was successful.

Yes. Thanks

Yes. Thanks. I appreciate it.