human
I wrote the below code

    def dec(fn):
        if (fn.__doc__ is not None):
            fn.__doc__ = (fn.__doc__ + str(Gradients.keys()).strip('[').strip(']'))
        return fn
    return dec

What's a good function header?

Here's a good function header?
assistant
#Here's a good function header.

def addGradientListToDocstring():