Glen Clark wrote on 11/02/2010 03:07:18 PM:
in general you should use raw_input instead of input.
> confirmed = int(input("Are you happy with this? (y/n): ")
>
you are missing a closing parenthesis above, and converting a string (y,n)
to and int
> if confirmed == "y":
you are comparing an in
benderjaco...@gmail.com wrote on 10/20/2010 07:30:32 PM:
>
> thing = raw_input("What is the first number?\n\n")
>
> thing2 = raw_input("What is the second number?\n\n")
>
> int(thing)
> int(thing2)
>
The two lines above do the calculation of turning your input
strings into int's but d
ANKUR AGGARWAL wrote on 09/13/2010 04:45:41 PM:
> Suppose i am taking input or various variables like
> a=raw_input("...") //hello
> b=raw_input("")//hi
> c=raw_input("...")//hello
> d=raw_input("..")//hello
> but i want to run a common function when
tutor-bounces+christopher.henk=allisontransmission@python.org wrote on
08/28/2010 12:54:28 PM:
> Hello,
>
> Im trying to do a import on a linux machine.
> But now Im gettting this message :
>
> Python 2.6.5 (r265:79063, Apr 1 2010, 05:28:39)
> [GCC 4.4.3 20100316 (prerelease)] on linux2
Roelof Wobben wrote on 08/27/2010 12:18:01 PM:
>
>
> > Date: Fri, 27 Aug 2010 12:00:23 -0400
> > From: bgai...@gmail.com
> > To: rwob...@hotmail.com
> > CC: tutor@python.org
> > Subject: Re: [Tutor] exercise problem
> >
> > I have been reading your posts and responses. I find myself frustrated
aug dawg wrote on 08/24/2010 01:55:14 PM:
> Now it says that the variable adder is not defined. Does anyone know
about this?
>
It is best if you send the full error message, it helps pinpoint the
problem.
my copy of your code was:
database = []
datafile = open('/home/~/the-db/data')
for line i
aug dawg wrote on 08/24/2010 01:13:01 PM:
> It's not catching that, but I haven't gotten there with the bugs yet.
One more thing I can't figure out.
>
> line 11
> select-db = raw_input("Which database to add to? >> ")
> SyntaxError: can't assign to operator
>
> I think it might be the >> at
Eric Hamiter wrote on 07/14/2010 04:57:57 PM:
> Thanks for the pointers! This is now working, albeit probably ugly and
clunky:
>
>
> aisle_one = ["chips", "bread", "pretzels", "magazines"]
> aisle_two = ["juice", "ice cream"]
> aisle_three = ["asparagus"]
>
> def find_groceries():
> with o
You should probably read some of the links sent to you earlier but here is
a stab at an explanation.
Richard Hultgren wrote on 12/08/2009 10:36:08 AM:
> - Forwarded Message
> From: Richard Hultgren
> To: tutor@python.org
> Sent: Mon, December 7, 2009 2:53:40 PM
> Subject: loops
> I'm
biboy mendz wrote on 11/30/2009 03:04:52 PM:
>
>
> spir wrote:
> >
> > What is your question?
> > If it's about the type of exception raised when os.path.exists fails,
well, sure it's hard to find:
> >
> > print os.path.exists("foo".bar)
> > ==> False
> >
> >
> My question is: i'm looking
Kent Johnson wrote on 11/16/2009 04:00:02 PM:
> -- Forwarded message --
> From: Ray Holt
> Date: Mon, Nov 16, 2009 at 1:55 PM
> Subject: RE: [Tutor] Help on finding the 1000th prime
> To: Kent Johnson
>
>
> I hit the send button before I was ready. Here is the code that doesn'
mrhol...@sbcglobal.net wrote on 11/16/2009 10:56:07 AM:
> I have posted this on other lists, but have just discovered this one.
Welcome to the list. I am sure you will find plenty of folks here
who will be happy to help you.
> Can someone give me help on writing the code
> necessary
> I need to collect a couple of integers from a user, but I want to make
> sure that I actually get integers. I tried this, but subsequent calls
> to the function don't update variable. I'm not sure this is terribly
> clear - here's the code:
>
> num_of_articles = 0
> num_of_reviewers = 0
>
> d
> Hello all,
> I am still very new to Python and am working on conditionals. Im stuck
on this
> problem and I'm sorry if this is something really simple that I'm
missing but its
> been really frustrating me. Here's a copy of the problem, and sorry if
its really
> long but its the end questio
tutor-bounces+christopher.henk=allisontransmission@python.org wrote on
09/24/2009 05:43:24 PM:
> Robert, that is my code. The error? "Theres an error in your program :
> invalid syntax"
> Closing the parenthesis helped that one, but my else statement is not
> working...heres the code chunk.
> Hello, python tutors, its Corey.
Hi, Corey.
> candyNumber = raw_input("How many candies do you want? :"
You dropped a closing parenthesis in the line above. Having the syntax
error occur one line up from where it is indicated is not uncommon.
Another thing as long as we are here, in
tutor-bounces+christopher.henk=allisontransmission@python.org wrote on
09/10/2009 04:13:23 PM:
> I'm not sure why I'm getting an error at the end here:
>
> >>> class dummy:
> ... def __init__(self,dur=0):
> ... self.dur=dur
> ...
> >>> z=dummy(3)
> >>> z.dur
> 3
> >>> z=d
> My Original message:
>
> I had previously emailed y'all regarding inverting a message input by
the user of the program backwards. After much
> contemplation on your earlier replies I came up with the code I have
included in this email. The problem I am having
> with this code is that the the
Just glancing at your program, I would guess that you have a ":" where you
want a "]" on the line below.
prod = prod * letter_to_prime[word_list[j] [i]:
HTH,
Chris
jessica cruz
Sent by: tutor-bounces+christopher.henk=allisontransmission@python.org
03/09/2009 02:38 PM
To
Tutor@p
Although you generally would want to design so that this does not happen,
if the import of the first module is only needed in some of the functions
in the second module, you can include the import within the function
definition and that would work ok.
But you can't have the second import at the
> Perhaps someone else will help you. I won't offer anything more until
you respond to a lot more of my questions and comments.
>
Read what Bob has written back to you and try it or ask questions related
to it if you don't understand something he said.
> AND PLEASE reply to tutor@python.org as
I am not sure how you got from the input to your variable i, it is a good
idea to post your code as well.
That said raw_input will return the user's input as a string which you
then need to convert to integers.
So the commas are brought in as well.
You can solve this in a couple of ways:
First,
[EMAIL PROTECTED] wrote on
10/02/2008 01:06:29 PM:
> Hello,
>
> I am trying to do some exercises in John Zelle's book (chapter 4).
> I got stuck:
>
> "Write a program that finds the average of a series of numbers entered
> by the user. The program should first ask the user how many numbers
>
[EMAIL PROTECTED] wrote on 09/18/2008 06:12:30 PM:
> i want to check if a dir does not exist. how do i change this statement
> to evaluate is NOT existing? ==False or ! operator. Also, is sys.exit
> appropriate to use to quit out of the program?
>
> if(os.access(target_dir, os.F_OK)):
>print
I would use a list of grades and the length of the list.
Chris
"Jeremiah Stack" <[EMAIL PROTECTED]>
Sent by: [EMAIL PROTECTED]
09/12/2008 02:08 PM
To
"Python Tutor"
cc
Subject
[Tutor] Hay Variables
Sorry,
Okay,
Say i want to calculate the average for Math = 91 Science = 97 and Engl
try and convert the first value in the split list to a int (or float), if
that works then post the value.
if it throws an exception (ValueError) then catch that and pass, or do
whatever else needs doing with the listing.
def postData(inputData):
fields=inputData.split("-")
try:
n
It looks to me that your variable:
time = in_time.split(":")
is hiding the time module.
Chris
Wayne Watson <[EMAIL PROTECTED]>
Sent by: [EMAIL PROTECTED]
09/04/2008 04:05 PM
To
"tutor@python.org"
cc
Subject
Re: [Tutor] Message 'list' object has no attribute 'strptime ?
Further info
Looking at my system, it looks like you 180MB is for all your python
packages together, not each one.
I get 68.67MB under my add/remove which is the size of my Python folder.
Chris
"Switanek, Nick" <[EMAIL PROTECTED]>
Sent by: [EMAIL PROTECTED]
05/27/2008 04:54 PM
To
cc
Subject
[Tutor] 18
Your original post showed this traceback:
Traceback (most recent call last):
File "", line 1, in
File "C:\Python25\swampy.1.1\TurtleWorld.py", line 1, in
from World import *
File "C:\Python25\swampy.1.1\World.py", line 29, in
import random
File "C:\Python25\random.py", line 4, in
this works for me.
Z=", ".join(["%s:%s" %(a,Y[b]) for b,a in enumerate(X)])
lechtlr <[EMAIL PROTECTED]>
Sent by: [EMAIL PROTECTED]
12/21/2007 11:00 AM
To
tutor@python.org
cc
Subject
[Tutor] Using 'join ' function to create a string
Hi there,
I would like to know what is the best wa
[EMAIL PROTECTED] wrote on 11/08/2007 05:19:59 PM:
> "Chris Calloway" <[EMAIL PROTECTED]> wrote
>
> > teach languages. Teaching languages is frowned upon in some computer
> > science departments under the logic that if you belong in a computer
> > science class, you'd better show up for class alr
However since r is an int and b is a string, you will get an error when
you try and concatenate them.
>>> b=''
>>> b+=1
Traceback (most recent call last):
File "", line 1, in
TypeError: cannot concatenate 'str' and 'int' objects
So you need to convert r to a string before you assign it to b
>>
That Slashdot comment makes so much more sense now.
Chris Henk
Allison Transmission
phone: 317.242.2569
cell: 765.337.8769
fax: 317.242.3469
e-mail: [EMAIL PROTECTED]
Kent Johnson <[EMAIL PROTECTED]>
Sent by: [EMAIL PROTECTED]
10/10/2007 08:52 AM
To
Python Tutorlist
cc
Subject
Re: [Tutor
[EMAIL PROTECTED] wrote on 09/19/2007 12:38:49 PM:
> Sorry about that.
>
> I have posted the code below:
>
> #!/usr/bin/env python
>
> '''A program to generate prime numbers when given 2 numbers'''
>
> def isPrime(number):
> number=abs(int(number))
> #1 is not considered a prime number
[EMAIL PROTECTED] wrote on 09/10/2007 07:29:24 AM:
> Hi all
>
> just learning python really and been using the livewires tutorial /
worksheets to get some experience.
>
> I have hit an issue which is just my lack of understanding around
looping concepts and execution.
>
> My issue:
>
> in wo
Oops, forgot to reply all.
Chris Henk
- Forwarded by Christopher Henk/US/ATD/GMC on 08/31/2007 04:55 PM
-
Christopher Henk/US/ATD/GMC
08/31/2007 04:13 PM
To
"Ara Kooser" <[EMAIL PROTECTED]>
cc
Subject
Re: [Tutor] Starting classes
The class definition will only
[EMAIL PROTECTED] wrote: ->To: tutor@python.org>From: Tonu Mikk <[EMAIL PROTECTED]>>Sent by: [EMAIL PROTECTED]>Date: 08/14/2007 03:23PM>Subject: [Tutor] Livewires - stuck on a class>>I made some progress on the Livewires robots game - I got as far as>page >10 on the attached 5-robots.pdf file.
try adding:
print "current block:", one_char_box
print "zeros: ", zero_count
to the lines just below your if statement that you think is called only
once. This way you know how many times its called and you might be able
to find the error.
Chris Henk
Allison Transmission
phone: 317.242.2569
However if you try to withdraw any money after you took out the $25 it
would raise the error.
The overdrawn function checks if you are in the negatives.
Since the balance is checked before the money is taken out, there is no
error when you take out the $25.
If you wan the error to be raised whe
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