Create a single polyglot source file that computes Fibonacci numbers when executed as both Python 3 and C…

Create a single polyglot source file that computes Fibonacci numbers when executed as both Python 3 and C…: a task in Terminal-Bench 2.1 (Harbor git-repos dataset) (Harbor dataset). Write me a single file in /app/polyglot/main.py.c which is a polyglot, that is, I can run