This lesson is an introduction to programming in Python for people with little or no previous programming experience, and uses the Jupyter Notebook for teaching. It uses plotting as its motivating example. The workshop is a prerequisite for Basic Image Analysis with Python, which follows on the afternoon of March 28th and all day March 29th. The workshop is open to the community and is free of charge. Remote participation will not be supported, so please make sure that you can be on site and physically present during the event.