Python and "the SOLID principles". This is an introduction to the first fiveprinciples named by Robert C. Martin (uncle Bob). These principles are thefoundation of a good software architecture. We will have a look at how thisapplies to Python code. We will have a look at abstract base classes,dependency inversion and so on. Python and "the SOLID principles". This is an introduction to the first fiveprinciples named by Robert C. Martin (uncle Bob). These principles are thefoundation of a good software architecture. We will have a look at how thisapplies to Python code. We will have a look at abstract base classes,dependency inversion and so on.