Object that Supports with Statement

with_statement.py

class Connection:
    def __init__(self):
        ...
        
    def __enter__(self):
        ...
        
    def __exit__(self, type, value, traceback):
        ...
        
        
with Connnection as conn:
    ...
    
    
from contextlib import contextmanager


@contextmanager
def tag(name):
    print(f'<{name}>')
    yield
    print(f'')
    
    
with tag('h1'):
    print('This is the title.')