Re: [Tutor] high score lists

[Chris Smith]

On Friday, Apr 15, 2005, at 14:31 America/Chicago, 
[EMAIL PROTECTED] wrote:

So I'm sure that's probably way too much information for most of you!!
But my remaining questions are these:
1. what is/where can i get the "pickle" module for storing/saving
changes to the high score list?
2. tabs/aligning the score in a column when i display it
The Python Cookbook is a good place to look to see if someone has 
already provided a recipe:
	http://aspn.activestate.com/ASPN/Cookbook/Python/

There are 2 table indenters at
        http://aspn.activestate.com/ASPN/Cookbook/Python/Recipe/267662
In my previous post there is a suggestion on using the longest number 
to print all teh numbers in a space that big.  (There was also an error 
in my understanding of your program where you checked the user's score 
against the *lowest* score in the list, not the highest--sorry about 
that!)

3. displaying the score/scorelist stuff on the graphics window instead
of the python window
4. key=lambda x: x[1] ?
You can think of the "key" option like this: when sort comes to compare 
elements x and y it gives you the option of telling *what* you want to 
compare about x and y.  You might, for example, want to sort a list of 
strings based on their *length* not on their alphabetical position. To 
do so, write a 1-argument function that returns the length of a string:

###
Python 2.4 (#1, Apr  4 2005, 13:57:19)
[GCC 3.3 20030304 (Apple Computer, Inc. build 1493)] on darwin
Type "help", "copyright", "credits" or "license" for more information.
>>> l=['sea', 'd', 'bee']
>>> l.sort()              #the normal sort
>>> l
['bee', 'd', 'sea']
>>> def strlen(x):        # the 1-argument function
...     return len(x)
...
>>> l.sort(key=strlen)
>>> l
['d', 'sea', 'bee']      #the length sort; it's stable so sea is still 
before bee
>>> def length_alph(x):  #'key' function if you want length first and 
then alphabetical
...     return (len(x),x)
...
>>> l.sort(key=length_alph); l
['d', 'bee', 'sea']
###

Thank you so much for all of your suggestions!  I can't wait until I
learn enough python to be able to give some help back :)
This list is a great place for learning.  It's one of the things that 
has made working with Python so enjoyable and productive. (Thanks to 
all!)

/c
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