mycontext manager

class MyContext:
    def __enter__(self):
        print('Entering context')
        return self
    
    def __exit__(self, exc_type, exc_cal, exc_tb):
        print('Exiting context')
        if exc_type:
            print(f'Exception:{exc_val}')
        return True
        
with MyContext() as mc:
    print('Within context')
    x = 1
    print(x)