Python exec() built-in function
From the Python 3 documentation
This function supports dynamic execution of Python code. object must be either a string or a code object. If it is a string, the string is parsed as a suite of Python statements which is then executed (unless a syntax error occurs) [...].
Ups! Nothing here yet!
This is a great opportunity for you to collaborate! Hit the link at the end of this page and add some examples and a brief description. If you don't know where to start, the Python 3 documentation will lead you in the right direction.