The Python programming ... line 2, in <module> z = x[1][0] ~~~~^^^ TypeError: 'int' object is not subscriptable Now, there is no ambiguity about where the problem lies. The re module’s pattern ...

This isn't necessarily bad; the fact is that Python developers have used this combination of modules, methods and files for quite some time. But if you ever felt like it was a bit clunky or ...