add.py

"Add Expression. This is a Non-Terminal Expression"
from abstract_expression import AbstractExpression


class Add(AbstractExpression):
    "Non-Terminal Expression."

    def __init__(self, left, right):
        self.left = left
        self.right = right

    def interpret(self):
        return self.left.interpret() + self.right.interpret()

    def __repr__(self):
        return f"({self.left} Add {self.right})"