On Thu, Nov 5, 2009 at 10:25 PM, Chris Rebert <c...@rebertia.com> wrote: > On Thu, Nov 5, 2009 at 8:19 PM, Peng Yu <pengyu...@gmail.com> wrote: >> Suppose I have a list of strings, A. I want to compute the list (call >> it B) of strings that are elements of A but doesn't match a regex. I >> could use a for loop to do so. In a functional language, there is way >> to do so without using the for loop. >> >> I'm wondering what is the best way to compute B in python. > > Since this sounds rather homework-y, I'll only give you a pointer: > http://docs.python.org/tutorial/datastructures.html#list-comprehensions
Now, I want to in-place delete elements in A that matches the regex. I know that I need to use del. But I'm not sure how to use the functional style programming for this problem. Would you please let me know? -- http://mail.python.org/mailman/listinfo/python-list
