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From: Peter Otten <__peter__@web.de>
Subject: Re: How to import module whose filename starts number
Date: Wed, 12 Dec 2012 18:57:29 +0100
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Xref: csiph.com comp.lang.python:34714

Yong Hu wrote:

> I have a few scripts whose file names start with numbers. For example,
> 01_step1.py, 02_step2.py
> 
> I tried to import them in another script by "import 01_step1" or "from
> 01_step1 import *". Both failed, saying "SyntaxError: invalid syntax"
> 
> Is there anyway to import those files? The file name must start with
> characters?

Or an underscore. The module name must be a valid identifier. In CPython you 
can hack around that restriction with 

step01 = __import__("01_step1")

but this "solution" is not portable and I recommend that you rename your 
scripts instead.