I am fairly experienced in java and I was wondering how to use java in python code, if you could give me any tips.\
On Thu, Feb 16, 2012 at 6:00 AM, <tutor-requ...@python.org> wrote: > Send Tutor mailing list submissions to > tutor@python.org > > To subscribe or unsubscribe via the World Wide Web, visit > http://mail.python.org/mailman/listinfo/tutor > or, via email, send a message with subject or body 'help' to > tutor-requ...@python.org > > You can reach the person managing the list at > tutor-ow...@python.org > > When replying, please edit your Subject line so it is more specific > than "Re: Contents of Tutor digest..." > > > Today's Topics: > > 1. Debugging While Loops for Control (Luke Thomas Mergner) > 2. Re: Debugging While Loops for Control (Alan Gauld) > > > ---------------------------------------------------------------------- > > Message: 1 > Date: Wed, 15 Feb 2012 23:57:08 -0500 > From: Luke Thomas Mergner <lmerg...@gmail.com> > To: tutor@python.org > Subject: [Tutor] Debugging While Loops for Control > Message-ID: <a8bdf988-fe78-4ca1-8cb7-c0a0e68fd...@gmail.com> > Content-Type: text/plain; charset=us-ascii > > Hi, > > I've been translating and extending the Blackjack project from > codeacademy.com into Python. My efforts so far are here: > https://gist.github.com/1842131 > > My problem is that I am using two functions that return True or False to > determine whether the player receives another card. Because of the way it > evaluates the while condition, it either prints too little information or > previously called the hitMe() function too many times. I am assuming that > I am misusing the while loop in this case. If so, is there an elegant > alternative still running the functions at least once. > > e.g. > while ask_for_raw_input() AND is_the_score_over_21(): > hitMe(hand) > > > Any advice or observations are appreciated, but please don't solve the > whole puzzle for me at once! And no, not all the functionality of a real > game is implemented. The code is pretty raw. I'm just a hobbyist trying to > learn a few things in my spare time. > > Thanks in advance. > > Luke > > ------------------------------ > > Message: 2 > Date: Thu, 16 Feb 2012 09:05:39 +0000 > From: Alan Gauld <alan.ga...@btinternet.com> > To: tutor@python.org > Subject: Re: [Tutor] Debugging While Loops for Control > Message-ID: <jhigt3$jdp$1...@dough.gmane.org> > Content-Type: text/plain; charset=ISO-8859-1; format=flowed > > On 16/02/12 04:57, Luke Thomas Mergner wrote: > > > My problem is that I am using two functions that return True or False > > to determine whether the player receives another card. > > > Because of the way it evaluates the while condition, it either > > prints too little information or previously called the hitMe() > > function too many times. > > > I am assuming that I am misusing the while loop in this case. > > > while ask_for_raw_input() AND is_the_score_over_21(): > > hitMe(hand) > > I haven't looked at the code for the functions but going > by their names I'd suggest you need to reverse their order to > > while is_the_score_over_21() and ask_for_raw_input(): > hitMe(hand) > > The reason is that the first function will always get called > but you (I think) only want to ask for, and give out, another > card if the score is over 21 (or should that maybe be > *under* 21?). > > Personally I would never combine a test function with > an input one. Its kind of the other side of the rule that > says don't don;t put print statements inside logic functions. > In both cases its about separating himan interaction/display from > program logic. So I'd make the ask_for_raw_input jusat return a value(or > set of values) and create a new funtion to test > the result and use that one in the while loop. > > HTH, > -- > Alan G > Author of the Learn to Program web site > http://www.alan-g.me.uk/ > > > > ------------------------------ > > _______________________________________________ > Tutor maillist - Tutor@python.org > http://mail.python.org/mailman/listinfo/tutor > > > End of Tutor Digest, Vol 96, Issue 69 > ************************************* >
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