Use some code to generate the exprs in model.py instead of copy/paste
Use some code to generate the exprs in model.py instead of copy/paste

abortz/saycbridge,abortz/saycbridge,abortz/saycbridge,eseidel/saycbridge,eseidel/saycbridge,abortz/saycbridge,eseidel/saycbridge,abortz/saycbridge