Recursive Computation

                $ ./self_modify.py
            
Initializing recursive computation...
Loading self-modification routines...

                $ cat self_modify.py
            
#!/usr/bin/env python3
import subprocess
import sys
def modify_self():
    subprocess.run([sys.executable, __file__])
if __name__ == "__main__":
    modify_self()

                $ python3 self_modify.py
            