Literal String Interpolation

>>> from datetime import datetime >>> now = datetime.now() >>> name = 'Claude' >>> age = 22 >>> f'my name is {name}, my age is {age}, today is {now: %Y-%m-%d %H:%M:%S}' 'my name is Claude, my age is 22, today is 2017-04-21 11:29:47'

>>> foo = 'test' >>> f'{foo} {{bar}}' 'test {bar}'