spliting on ":"

[Duncan Booth]

s99999999s2003 at yahoo.com wrote:

> print line.split(":")[-1]
> 
> but line 4 and 5 are not printed as there is no ":" to split. It should
> print a "blank" at least.
> how to print out lines 4 and 5 ?
> eg output is
> 
> yyy
> yyy
> yyy
> 
> 
> yyy

if ":" in line:
   print line.split(":")[-1]
else:
   print

what's the problem?