Multiple inheritance in python "object.init() takes no parameter

Question

i am working with inheritence,here i got output for single inheritence but multiple inheritence showing error.so please help me.I don't have any knowledge about mro in python.please give me good advice.

class Player:
    def __init__(self,name,country):
        self.name=name
        self.country=country

    def info(self):
        return self.name+":"+self.country

class Ipl(Player):
    def __init__(self,name,country,team):
        Player.__init__(self,name,country)
        self.team=team

    def info_ipl(self):
        return self.info()+"\nIpl team:"+self.team


x=Ipl("Suresh Raina","India","csk")    
print(x.info_ipl())


class Carrier:
    def ___init__(self,wicket,run):
        self.wicket=wicket
        self.run=run

    def disp(self):
        return "Wickets:"+self.wicket+"Runs:"+self.run



class Aauction(Ipl, Carrier):

    def  __init__(self,wicket,run,name,country,team):

        Ipl.__init__(self,name,country,team)
        Carrier.__init__(self,wicket,run)
        self.Innings=Innings


    def stati(self):
        return  self.info_ipl()+","+self.disp()+"Total Innings:"



x = Aauction(150,2000,"Suresh_Raina","India","kkr")
print(x.stati())

Above code giving following Error:-

Suresh Raina:India
Ipl team:csk
Traceback (most recent call last):
  File "C:\Users\Rahul\Desktop\PYTHON\EXP8.py", line 49, in <module>
    x = Aauction(150,2000,"Suresh_Raina","India","kkr")
  File "C:\Users\Rahul\Desktop\PYTHON\EXP8.py", line 40, in __init__
    Carrier.__init__(self,wicket,run)
TypeError: object.__init__() takes no parameters

Thank you.

On a side note, this is not a good use of inheritance. That is a Player cannot be said to be an instance of an (IPL) team. A player is a member of team. That team and league can change, which is not something inheritance could express. Things get stranger when you realise you saying an auction is an instance of a player too. A better use of inheritance might be types of team. That is T20 and Test cricket are substantially different, especially as Test teams are international and have different rules about who can be a member of the team. — Dunes
– Dunes, Commented Apr 1, 2018 at 16:03

Nathan · Accepted Answer · 2018-04-01 15:17:54Z

1

I think the problem is that your __init__ has three underscores instead of two:

class Carrier:
    def ___init__(self,wicket,run):
        self.wicket=wicket
        self.run=run

    def disp(self):
        return "Wickets:"+self.wicket+"Runs:"+self.run

should be:

class Carrier:
    def __init__(self,wicket,run):
         self.wicket=wicket
         self.run=run

    def disp(self):
         return "Wickets:"+self.wicket+"Runs:"+self.run

answered Apr 1, 2018 at 15:17

Nathan

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