Re: [Tutor] Unable to get out of loop [RESOLVING]

2016-02-27 Thread Ken G.
On 02/26/2016 09:26 PM, Steven D'Aprano wrote: On Fri, Feb 26, 2016 at 08:30:19PM -0500, Ken G. wrote: side = "" while side != "0" or side != "1" or side != "2": That will only exit if side == "0", "1" and "2" **at the same time**. Clearly that is impossible, so the condition is always true, a

Re: [Tutor] Unable to get out of loop

2016-02-26 Thread Steven D'Aprano
On Fri, Feb 26, 2016 at 08:30:19PM -0500, Ken G. wrote: > side = "" > while side != "0" or side != "1" or side != "2": That will only exit if side == "0", "1" and "2" **at the same time**. Clearly that is impossible, so the condition is always true, and the while loop will never end. Trying to

Re: [Tutor] Unable to get out of loop

2016-02-26 Thread Danny Yoo
The last point I forgot to add: be careful about the "englishness" of 'and' and 'or'. The way we use them in day to day language among humans is different than what those terms mean in computer programming. It can be a sticking point for some beginners, so just be aware of that nuance. (And apol

Re: [Tutor] Unable to get out of loop

2016-02-26 Thread Danny Yoo
On Feb 26, 2016 5:30 PM, "Ken G." wrote: > > I have been unable to get out of the following > loop. No matter what I entered, I can not get > get out of the loop. The only way I can stop > the routine is CTRL-C. Yes: the condition on there code is unfortunately a tautology: it's always going to b

[Tutor] Unable to get out of loop

2016-02-26 Thread Ken G.
I have been unable to get out of the following loop. No matter what I entered, I can not get get out of the loop. The only way I can stop the routine is CTRL-C. If an entry is either 1, 2 or 3, then I should be able to proceed. I am sure the correct solution is very simple but I don't see it. Th