I've been going through Learn Python The Hard Way. Instead of naming each example ex#.py (where # is the number of the exercise), however, I've just been calling them #.py. This worked fine until I got to Exercise 25, which requires you to import a module you just created through the interpreter. When I try this the following happens: >>> import 25 File "<stdin>", line 1 import 25 ^ SyntaxError: invalid syntax I tried renaming the file to ex25.py and it then worked as expected (>>> import ex25). What are the naming requirements for Python modules? I had a look at the official documentation here but didn't see it mention any restrictions. Continue reading...
