person A: I had to do a lot of learning to knock out a big project at work. Finally finished and ready for another.
person B: Hey_comma_ good for you! That takes stamina. What was the project?
person A: For sure. It was a software coding project for a client. A lot of which I did not understand at the start.
person B: Well done! That was a challenge. 
person A: Thank you. But now I have it ready for the next one.
person B: It always feels good to wrap up a big project. 