I'm doing exactly what it says in the video exercise, but I get this basic error....?

I can’t tell what I’m doing wrong here.

The problem seems to be here:

train_force = get_force(train_mass, train_force)

I assume that the last argument should be train_acceleration (or something like that) instead of train_force .
So, maybe it should be:

train_force = get_force(train_mass, train_acceleration)

I put my face in my palm for about 10 minutes after you pointed that out…Thank you!

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