f Ruby-Style String Interpolation for Python. GitHub: https://github.com/mozillazg/f License: MIT license Python version: 2.6, 2.7, pypy, pypy3, 3.3, 3.4, 3.5, 3.6 Usage >>> import f >>> a = 2 >>> b = 3 >>> f('#{a}') '2' >>> f('#{a + b}') '5'