Appending strings across classes in python

Question

I have two classes and wish to append a string to a list in Table() from Game()

Here is my code:

class Table(object):
    def __init__(self):
        self.cards = []

class Game(object):
    def __init__(self):
        Table().cards.append("test")
        print(Table().cards)

Nimantha · Accepted Answer · 2021-10-29 06:26:46Z

2

In that case, you will need to initialize the class Table inside the class Game like this:

class Table(object):
    def __init__(self):
        self.cards = []

class Game(object):
    def __init__(self):
        table = Table()
        table.cards.append("test")
        print(table.cards)

game = Game()

edited Oct 29, 2021 at 6:26

Nimantha

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answered Mar 23, 2020 at 17:33

EnriqueBet

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6 Comments

CarsonH26 Over a year ago

I entered this code into pycharm but it still returns nothing when I attempt to print table.cards

EnriqueBet Over a year ago

Can you share your complete code? Probably the problem is somewhere else. Thanks

CarsonH26 Over a year ago

I entered this into a completely new test program here is the entire code

class Table(object):     def __init__(self):         self.cards = []  class Game(object):     def __init__(self):         table = Table()         table.cards.append("test")         print(table.cards)

The output is

C:\Users\user\PycharmProjects1\untitled1\poker2\Scripts\python.exe C:/Users/user/Desktop/poker2/test_program.py  Process finished with exit code 0

CarsonH26 Over a year ago

sorry the format is kinda scuffed there I'm new to stack

EnriqueBet Over a year ago

Did you started the class Game somewhere else in your code?

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Alan · Accepted Answer · 2020-03-23 17:37:57Z

0

Your issue is that in the print statement you are instantiating a brand new instance of Table, and that new instance is empty.

to correct, include the correct instance of Table in the print statement.

class Table(object):
    def __init__(self):
        self.cards = []

class Game(object):
    def __init__(self):
        table = Table()
        table.cards.append('test')
        print(table.cards)

answered Mar 23, 2020 at 17:37

Alan

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