cant solve error in trainer part

[Sumayya-CS]

File "sample.py", line 25, in
faces,ids = getImagesAndLabels(path)
File "sample.py", line 16, in getImagesAndLabels
PIL_img = Image.open(imagePath).convert('L') # grayscale
File "C:\Users\HP\lib\site-packages\PIL\Image.py", line 2904, in open
fp = builtins.open(filename, "rb")
PermissionError: [Errno 13] Permission denied: 'dataset\trainer'

what to do?

[bobyk]

Change permission for dataset\trainer
sudo chmod -R 666 dataset\trainer

[Sumayya-CS]

Change permission for dataset\trainer
sudo chmod -R 666 dataset\trainer

how to change permission? please guide a little. thanks in advance