Objects and lists, python

Question

I'm new to python/pygame. I want to define my own class. This class takes a list within a list and a acceleration function. I want to call these functions in another class so that they can be changed/ manipulated.

This is what i have:

Class baddie():
    def __init__(self):
        self._list=([random.randint(100,210),530])
    def accelaration(self,acc):
        clock=300-(acc)

I then want the baddie class to be called in the space class. So the user can manipulate the two above functions.

Class space():
    b = baddie()
    b.accelaration(203)

I also want the user to be able to call the list which takes a random integer and another number, but I don't understand how.

Any suggestions.

Whats wrong with your current code?

Nafiul Islam
– Nafiul Islam

2013-10-25 11:40:41 +00:00
Commented Oct 25, 2013 at 11:40 — Nafiul Islam
– Nafiul Islam, Commented Oct 25, 2013 at 11:40
(FWIW acceleration has two 'e's and one 'a'.)

kojiro
– kojiro

2013-10-25 11:54:32 +00:00
Commented Oct 25, 2013 at 11:54 — kojiro
– kojiro, Commented Oct 25, 2013 at 11:54

thefourtheye · Accepted Answer · 2013-10-25 12:04:38Z

2

import random

class baddie():
    def __init__(self):
        self._list=([random.randint(100,210),530])
    def accelaration(self,acc):
        clock=300-(acc)

class space():
    b = baddie()
    b.accelaration(203)
    print b._list       # This is how we print the _list

space()

_list is just an instance variable, which holds a tuple. So you can simply access it with b._list

Note: As suggested by kojiro in the comments section, try to change your variable name to something more meaningful to your application than _list. Since you are a beginner, I recommend reading this atleast once http://www.python.org/dev/peps/pep-0008/.

edited Oct 25, 2013 at 12:04

answered Oct 25, 2013 at 11:40

thefourtheye

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2 Comments

kojiro Over a year ago

Technically true, but variable names starting with an underscore are by convention for internal use. So perhaps the fix is to lose the underscore (and use a name other than list) or write a @property getter.

thefourtheye Over a year ago

@kojiro Added a note in the answer :)

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