transferring date modified data to another folder (python)

dst.py

from pathlib import Path
import os, json

curr_folder = Path.cwd()

with open("mod_dates.json", encoding="utf-8") as f:
    data = json.load(f)
    
for old, mtime in data.items():
    new = curr_folder / old
    if new.exists():
        print(f"{new.name} -- {new.stat().st_mtime_ns} to {mtime}")
        os.utime(new, ns=(new.stat().st_atime_ns, mtime))
    

src.py

from pathlib import Path
import json

data = {}

curr_folder = Path.cwd()

for file in curr_folder.rglob("*"):
    # This includes folders, which apparently have their own date modified data
    data[str(file.relative_to(curr_folder))] = file.stat().st_mtime_ns
    print(file.name)

with open("mod_dates.json", "w", encoding="utf-8") as f:
    f.write(json.dumps(data))