Painting question-which do you paint first, walls or trim?

Thx!
Where do I acquire accepted wisdom for interior...
Answers:    I like to paint my trim first
I entail an ideafor a bed room ...
You do the walls first. You can any put painters video over the trim so not to accidentally get anything on it, or filch it off to put wager on up later. But if it's adjectives going to be the same color, it doesn't really business what you do.
Can you Design me a Bedroom to suit...