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Asked: 2026-06-12T20:27:03+00:00

Below is my code. def __init__(self): self.node=[] self.fronts=[] self.GoalNode=[‘1′,’2′,’3′,’4′,’5′,’6′,’7′,’8′,’0’] self.StartNode=[‘1′,’2′,’3′,’4′,’5′,’6′,’7′,’8′,’0’] self.PreviousNode=[] self.prePreviousNode=[] self.PreviousCount=1 def

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Below is my code.

def __init__(self):
    self.node=[]
    self.fronts=[]
    self.GoalNode=['1','2','3','4','5','6','7','8','0']
    self.StartNode=['1','2','3','4','5','6','7','8','0']
    self.PreviousNode=[]
    self.prePreviousNode=[]
    self.PreviousCount=1

def Solve(self):
    self.shufler(10)
    ......


def shufler(self):

        while True:
            node=self.StartNode

And below is the error message I received:

File "E:\Zoe's file\CMPT 310\Assign 2\astart8puzzle\AI8puzzle\py8puzzel.py", line 18, in Solve
    self.shufler(10)
TypeError: shufler() takes exactly 1 positional argument (2 given)

I don’t understand where I gave 2 arguments.

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1 Answer

  1. Editorial Team
    self.shufler(10)

    This calls shufler with two arguments, (1) self and (2) 10. The object to the left of the . is used as the first argument.

    To handle the 10 argument, add a second parameter to shufler‘s definition:

    def shufler(self, count):
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