Python 3 Lambda

Python coders are traditionally imperative. They may program in the paradigms of structured or object-oriented programming, but seldom in functional program. The resurgence of functional programming in the past decade or so has sent Python coders into tailspin. Lambda functions appear in countless of code, not as pure functional but as hybrid to the traditional imperative. Various resources about lambda function add even more confusion. This article address lambda in the context of Python, with minimum jargon but with a number of illustrative examples.