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From: Peter Otten <__peter__@web.de>
Subject: Re: Beginner question
Date: Tue, 04 Jun 2013 11:23:22 +0200
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Chris Angelico wrote:

> On Tue, Jun 4, 2013 at 5:57 PM, John Ladasky <john_ladasky@sbcglobal.net>
> wrote:
>> On Tuesday, June 4, 2013 12:45:38 AM UTC-7, Anssi Saari wrote:
>>
>>> BTW, did I get the logic correctly, the end result is random?
>>
>> You're right!  I'm guessing that's not what the OP wants?
> 
> I'm guessing that's exactly what the OP wants. This is a fairly
> classic programming puzzle; on the surface it appears that you have
> some influence on the outcome, but ultimately you're playing
> rock-paper-scissors with the Random Number God.

As it is written, don't you always win if you hit enter?
It may be the approved cheat code, though...

OP:

("some string")

is not a tuple, it is the same as just

"some string"

therefore

option1 = "some string"
if input() in option1:
    print("yes")

prints 'yes' if the user types in a substring of option1, and the shortest 
substring of any string is "".

For a single-item tuple the trailing comma is mandatory:

>>> ("some string") # string
'some string'
>>> "some string", # tuple
('some string',)
>>> ("some string",) # tuple, parens added for clarity
('some string',)

In general a tuple is consituted by the comma(s), not the parentheses:

>>> "one", "two"
('one', 'two')