human
I am working on the file "DecisionTree_Math_Fruits.ipynb".
The first task is:
Define nodes in tree
1. Decision Node - Node with Question to ask
Can you write Python program for it?
assistant
#Here is the Python program you requested.

"""
A Decision Node asks a question.
This holds a reference to the question, and to the two child nodes.
"""
class Decision_Node:
    def __init__(self,question,true_branch,false_branch):
        self.question = question
        self.true_branch = true_branch
        self.false_branch = false_branch