add files

.gitignore

@@ -1 +1,2 @@
-__pycache__
+__pycache__
+files/test.txt

files/main.py

@@ -0,0 +1,10 @@
+if __name__ == '__main__': # prevent this code from running whenever this file is imported in another file as a module
+    file_path = "test.txt" # we will be opening this file
+    try: # catch any exceptions that are thrown in the following block
+        with open(file_path, 'w') as f: # open the file (this is a context manager, so it automatically handles closing the file descriptor once we're done with it)
+            f.write('Hello, World!\n') # write to the file
+    except Exception as e: # if an exception is raised, catch it and process it
+        if isinstance(e, PermissionError): # if the exception being caught is a PermissionsError, execute the following code
+            print(f'Cannot write to file {file_path}, permission denied')
+        else: # if not, execute the following code
+            print(f'Cannot write to file {file_path}\n{e}')