Hi, when I try this, that returns the following error:
TypeError: __init__() got multiple values for argument 'lr'

I am not quite sure what change I need to make. As @JuanFMontesinos mentioned, I think I need to specify separate parameter lists for each learning rate. Though I don’t know how to do that, given the error I mentioned earlier:
TypeError: optimizer can only optimize Tensors, but one of the params is tuple

Any ideas?