The Python star pattern challenge is a popular task often assigned to new programming students. To complete the challenge, developers must demonstrate competency with variables, ranges and nested ...

Python, for all its power and popularity, has long lacked a form of flow control found in other languages—a way to take a value and match it elegantly against one of a number of possible conditions.

Some say a set of regular expressions comprises a domain-specific language, or DSL; essentially, a mini-programming language. A full-blown programming language like Java or Python can do many things, ...