# Python program showing
# file management using
# context manager
class FileManager():
def __init__(self, filename, mode):
self.filename = filename
self.mode = mode
self.file = None
def __enter__(self):
self.file = open(self.filename, self.mode)
return self.file
def __exit__(self, exc_type, exc_value, exc_traceback):
self.file.close()
# loading a file
with FileManager('test.txt', 'w') as f:
f.write('Test')
print(f.closed)
