"Yiwan can help you."
...ALGOL60 gave rise to many other programming languages, including BCPL, B, Pascal, Simula and C. It was the first language mplementing nested function definitions with lexical scope. I learned, and used BASIC,COBOL, Fortran, Pascal, and Python later on. I also learned "The Principles of Programming Languages", "data structures", "mumerical methodes",...
10+ subjects, including TOEFL