Iterate from 2nd element of a huge list

Cameron Simpson cs at zip.com.au
Wed Feb 1 03:02:59 CET 2012


On 01Feb2012 01:39, Paulo da Silva <p_s_d_a_s_i_l_v_a at netcabo.pt> wrote:
| What is the best way to iterate thru a huge list having the 1st element
| a different process? I.e.:
| 
| process1(mylist[0])
| for el in mylist[1:]:
| 	process2(el)
| 
| This way mylist is almost duplicated, isn't it?

Yep.

What about (untested):

  process1(mylist[0])
  for i in xrange(1,len(mylist)):
  	process2(mylist[i])

Cheers,
-- 
Cameron Simpson <cs at zip.com.au> DoD#743
http://www.cskk.ezoshosting.com/cs/

The truth is, I will not give myself the trouble to write sense long, for I
would as soon please fools as wise men; because fools are more numerous, and
every prudent man will go with the majority.    - Hugh Henry Brackenridge



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