Path: csiph.com!news.swapon.de!fu-berlin.de!uni-berlin.de!not-for-mail From: Jason Friedman Newsgroups: comp.lang.python Subject: Re: i cant seem to figure out the error Date: Sun, 3 Apr 2016 11:34:52 -0600 Lines: 25 Message-ID: References: Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 X-Trace: news.uni-berlin.de aWrCbjsFp+7acOw+tsgbVwLc7XOGrhB49IXwyCNNlkbQ== Return-Path: X-Original-To: python-list@python.org Delivered-To: python-list@mail.python.org X-Spam-Status: OK 0.011 X-Spam-Evidence: '*H*': 0.98; '*S*': 0.00; 'else:': 0.03; 'returned.': 0.07; 'cc:addr:python-list': 0.09; 'stderr': 0.09; 'subject:error': 0.11; 'accordingly.': 0.13; 'def': 0.13; 'received:io': 0.16; 'received:psf.io': 0.16; 'withdrawal': 0.16; '\xc2\xa0-': 0.16; 'skip:` 10': 0.18; '>': 0.18; 'cc:2**0': 0.20; 'cc:addr:python.org': 0.20; 'this:': 0.23; 'header:In-Reply- To:1': 0.24; 'error': 0.27; 'message-id:@mail.gmail.com': 0.27; 'print': 0.30; 'received:google.com': 0.35; 'but': 0.36; 'received:209.85': 0.36; 'subject:: ': 0.37; 'really': 0.37; 'expect': 0.37; 'method': 0.37; 'say': 0.37; 'received:209': 0.38; 'subject:the': 0.39; 'takes': 0.39; 'rather': 0.39; 'called': 0.40; 'your': 0.60; 'balance': 0.64; 'funds': 0.77; 'balance,': 0.84; '\xc2\xa0and': 0.84; 'to:none': 0.91 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:cc; bh=YlTzr9kuWjXdNbMa3H5xoUMlZCGz1kpAxGhvE6zlbSM=; b=vLQfF7E8CUpfyt87eXWga2f+MdmBi0o4EH6Q5MFOgou5PZF1+IS8PE/lxJWOkC0VOb 6RrrSlR0JaaQuOtXiXrK/9nhe3mAfsDV357uhTIwuQa6N/Vp3zUSZtVhwfUPmVaiEPLn Q/QHzJD0FRFTbcxofWIGfm9oshFI7YJekc/N4kGIteFosgiO2am5/ddw7jSF+BNyQMbZ oiw9YKOFNrgGpsF0Qh0BHPvJGlF1WpsPcmz1vimFaqg8w2mIvJxEddnmDKJX7DHW4KRt n8ZI/xZlF9037xVjISErq86MRGiw/Ffu9746nmh8Gtb+x+qUO5SQHATCOCckT2okUKM9 e+Ng== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:in-reply-to:references:date :message-id:subject:from:cc; bh=YlTzr9kuWjXdNbMa3H5xoUMlZCGz1kpAxGhvE6zlbSM=; b=DvEyxisu9j3Kyy7gwKkxR+WCOJAHsIYZ9vtot5DChX+A4O8bPXX1KH2fnmGM63GEo7 z+NjpXN89WXHhrV4t/PWas38IvMF4f2ei5zVJm0fDmFazwuL2c2OHCVidnbgcLI/snU1 X8NkgBM1hatmdWbMQm0+SwTUQIvh5v5JZLi7T+RTqLecSvrHU5uImijpRdqaQIyS4VjV 1HMjUwSK/iPL01e8fPTQVMrX6A+5RYroAH/8QDRcjncvaXmLG3BM4wVEMK22x/ze6WhL G9BIRbRfsNRWHbUwwoAgsIj1M3bZUKZzqNyBvp4nvljiKJWgOPtobmo4QaJU2SskSs4g X/Dg== X-Gm-Message-State: AD7BkJJ50OI8pYM8ZNuksv+GZ9BeO8GRvYcuC8kx/aUNSE+FYC2OK9w5jtKAhllJDupkkXK9Nncs9WfHKCD0kg== X-Received: by 10.140.151.204 with SMTP id 195mr18835747qhx.42.1459704892248; Sun, 03 Apr 2016 10:34:52 -0700 (PDT) In-Reply-To: X-Content-Filtered-By: Mailman/MimeDel 2.1.21 X-BeenThere: python-list@python.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: General discussion list for the Python programming language List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Xref: csiph.com comp.lang.python:106381 > > - Create a method called `withdraw` that takes in cash withdrawal amount > and updates the balance accordingly. if amount is greater than balance > return `"invalid transaction"` > > def withdraw(self, amount): > self.amount=amount > if(amount > self.balance): > return ("Amount greater than available balance.") > else: > self.balance -= amount > return self.balance > The instructions say to "return 'invalid transaction'" but I expect they really want that error printed to STDERR (typically your screen) rather than literally returned. Try this: def withdraw(self, amount): self.amount=amount if(amount > self.balance): print "Amount greater than available balance, no funds withdrawn." else: self.balance -= amount return self.balance