open two files at once

[robek]

hi,
what is the simplest way to open two files (one for reading and 2nd for  
writing) ?
i usually do:
with open('1') as f1:
   with open('2','w') as f2:
     for i in f1: do something with i
       f2.write(i)

is there a simpler/better way to do this ?