<p>I'd like to copy the files that have a specific file extension to a new folder. I have an idea how to use <code>os.walk</code> but specifically how would I go about using that? I'm searching for the files with a specific file extension in only one folder (this folder has 2 subdirectories but the files I'm looking for will never be found in these 2 subdirectories so I don't need to search in these subdirectories). Thanks in advance.</p>

```
```
import glob, os, shutil

files = glob.iglob(os.path.join(source_dir, "*.ext"))
for file in files:
    if os.path.isfile(file):
        shutil.copy2(file, dest_dir)
```
```
Read the
documentation
of the shutil module to choose the function that fits your needs (shutil.copy(), shutil.copy2() or shutil.copyfile()).