Using String for new List name

Tue Sep 29 09:48:03 EDT 2009

On Monday, 28 September 2009 18:54:09 Scott wrote:
> I am new to Python but I have studied hard and written a fairly big
> (to me) script/program. I have solved all of my problems by Googling
> but this one has got me stumped.
>> I want to check a string for a substring and if it exists I want to
> create a new, empty list using that substring as the name of the list.
> For example:
>> Let's say file1 has line1 through line100 as the first word in each
> line.
>> for X in open("file1"):
> Do a test.
> If true:
> Y = re.split(" ", X)
> Z = Y[0] # This is a string, maybe it is "Line42"
> Z = [] # This doesn't work, I want a new, empty
> list created called Line42 not Z.
>> Is there any way to do this?

Yes
Look at exec and eval
But also look at using the string as a key in a dict.
- Hendrik