hello Sean, thanks very much for the explanation and solution.
cheers, Stef Mientki [EMAIL PROTECTED] wrote: > On May 16, 1:41 am, stef <[EMAIL PROTECTED]> wrote: > >> hello, >> >> can someone tell me why the following iteration doesn't work, >> and >> how I should replace empty strings in a list with a default value. >> >> >>> v >> ['123', '345', '', '0.3'] >> >>> for items in v: >> ... if items=='': >> ... items='3' >> ... >> >>> >> >>> v >> ['123', '345', '', '0.3'] >> >>> >> >> thanks, >> Stef Mientki >> > > Inside the loop, 'items' is no longer referencing the list...its a > string. > > >>>> v = ['123', '4', '567', ''] >>>> for i in v: >>>> > ... print type(i) > ... > <type 'str'>... > > This works > > >>>> for j,i in enumerate(v): >>>> > ... if i=='': > ... v[j] = '3' > ... > >>>> v >>>> > ['123', '4', '567', '3'] > > > ~Sean > > -- http://mail.python.org/mailman/listinfo/python-list