problem instance de class python

bridge_matt.py

#%% simplify problem

from typing import List

list_action = ['SPEED' , 'SLOW',   'JUMP', 'UP', 'DOWN']

credit_initial =1 # to limite the expansion

class Node:
    def __init__(
        self,
        n: int,
        cred: int,
        action: str,
        adresse: List[str] = [],
    ):
        self.n = n
        self.credit = cred
        self.action = action
        self.childs = []
        self.adresse = adresse
        self.adresse.append(action)

    def __repr__(self) -> str:
        return f"n:{self.n }  , credit:{self.credit } , adresse:{self.adresse} , nb_child :{len(self.childs)} " #child :{self.childs}

    def expand(self):
        for action in list_action :
            New_node = Node(self.n+1, self.credit - 1, action, self.adresse)

            if self.credit >0:
                self.childs.append(New_node)

#%%
root= Node(0,credit_initial,'INIT')

root.expand()

# %% Normaement l'adree de root devrait etre ['INIT] et Uniquement ça mais non  !  a la place j'ai : ['SPEED', 'SPEED', 'SLOW', 'JUMP', 'UP', 'DOWN']
root.adresse

#et ces enfant devrait avoir 
# ['INIT', 'SPEED']
# ['INIT', 'SLOW',
# ['INIT', 'JUMP',
#  ....

# ??????????????