node

gistfile1.txt

class Node:
#1
    def __init__(self, val):
        self.val = val
        self.leftChild = None
        self.rightChild = None
#2  
    def get(self):
        return self.val
#3
    def set(self, val):
        self.val = val
 #4      
    def getChildren(self):
        children = []
        if(self.leftChild != None):
            children.append(self.leftChild)
        if(self.rightChild != None):
            children.append(self.rightChild)
        return children