Brought back memories of my Intro course to Fortran in 1970. The class was taught without any computer terminals. We had access to the college mainframe but all

Brought back memories of my Intro course to Fortran in 1970. The class was taught without any computer terminals. We had access to the college mainframe but all code was input via punch-cards and all output was via print on green striped computer paper. What an incredibly slow feedback loop that was.