lcm4.py

class LoggingContextManager:
    def __enter__(self):
        print('LoggingContextManager.__enter__()')
        return "You are in a with block"
 
    def __exit__(self, exc_type, exc_val, exc_tb):
        if exc_type is None:
            print('LoggingContextManager.__exit__:'
                    'normal exit detected.')
        else:
            print('LoggingContextManager.__exit__:'
                    'Exception Detected'
                    'type={}, value={}, traceback={}'.format(exc_type, exc_val, exc_tb))