Category "one-hot-encoding"

One hot encoder what is the industry norm, to encode before train/split or after

I know there're some people who have answered this. I'm still trying to get this straight though. I'm still a little bit confused over the one hot encoder. I

Encoding each value in a pandas cell

I have a dataset Inp1 Inp2 Inp3 Output A,B,C AI,UI,JI Apple,Bat,Dog Animals L,M,N LI,DO,LI Lawn, Moon, Noon Noun X,Y

For loop in Label encoding and one hot encoder

My Data set contains categorical variables so I am using label encoding and one hot encoder and my code is as follows can I use a loop to ensure that my cod