test_reformatter.py

from pathlib import Path

TASK_NAME = Path().absolute().name

i = 1
while True:
    old_in  = Path(f"{i}.in")
    old_out = Path(f"{i}.out")
    
    if (not old_in.exists()) and (not old_out.exists()):
        exit()
        
    new_folder = Path(f"Test{i:02}")
    new_in  = new_folder / f"{TASK_NAME}.inp"
    new_out = new_folder / f"{TASK_NAME}.out"
    
    new_folder.mkdir()
    old_in.replace(new_in)
    old_out.replace(new_out)
    
    i += 1