Commision Calculator

import os
Rothschild_Bank_Balance = 10
class Node():
    def __init__(self, name, parent=None):
        self.value = 0
        self.name = name
        self.left = None
        self.right = None
        self.parent = parent

class Rothschild():
    def __init__(self):
        self.member = Node("root")

    def addMember(self,under):
        def addSubRoutine(current, target):
            global Rothschild_Bank_Balance
            if current == None:
                return
            if current.name == target:
                if current.left == None:
                    print("Add under "+target)
                    name = input('New member name: ')
                    current.left = Node(name,current)
                    Rothschild_Bank_Balance += 10
                    add_value = 10
                    bank_ded = 0
                    temp = current
                    while temp.parent != None:
                        add_value *= 0.5
                        temp.value += add_value
                        bank_ded += add_value
                        Rothschild_Bank_Balance -= bank_ded
                        temp = temp.parent
                    return 1
                elif current.right == None:
                    print("Add Under "+target)
                    name = input('New member name: ')
                    current.right = Node(name,current)
                    Rothschild_Bank_Balance += 10
                    add_value = 10
                    bank_ded = 0
                    temp = current
                    while temp.parent != None:
                        add_value *= 0.5
                        temp.value += add_value
                        bank_ded += add_value
                        Rothschild_Bank_Balance -= bank_ded
                        temp = temp.parent
                    return 1
                else:
                    print("Sorry Cant't Add More than 2")
                    return
            else:
                catch = addSubRoutine(current.left, target)
                if catch != 1:
                    addSubRoutine(current.right, target)
        addSubRoutine(self.member, under)

    def printMembers(self):
        def printSubRoutine(current, num):
            if current == None:
                return
            spc = num*'---'
            print(spc + 'Member -> ' + str(current.name) + ' Value -> ' + str(current.value))
            printSubRoutine(current.left, num+1)
            printSubRoutine(current.right, num+1)
        printSubRoutine(self.member, 1)
        print("Bank Account Main Balance : " + str(Rothschild_Bank_Balance))

def main():
    x = Rothschild()
    for i in range(5):
        x.printMembers()
        under = input("new will be under: ")
        x.addMember(under)
        os.system('cls')

main()