Angus Rodgers wrote:

> On Sat, 27 Jun 2009 11:39:28 +0100, I asked rhetorically:
> 
>>On Fri, 26 Jun 2009 18:58:27 -0700 (PDT), powah
>><wong_po...@yahoo.ca> wrote:
>>
>>>Thank you for your hint.
>>>This is my solution:
>>>f = open('test', 'r')
>>>for line in f:
>>>    print line[0].upper()+line[1:],
>>
>>Will your program handle empty lines of input correctly?
> 
> Strangely enough, it seems to do so, but why?

Because there aren't any. When you read lines from a file there will always 
be at least the newline character. Otherwise it would indeed fail:

>>> for line in "peter\npaul\n\nmary".splitlines():
...     print line[0].upper() + line[1:]
...
Peter
Paul
Traceback (most recent call last):
  File "<stdin>", line 2, in <module>
IndexError: string index out of range


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