nodes.py

import tokens

class NumberNode:
    def __init__(self,value: float):
        self.value = value
    def __repr__(self) -> str:
        return str(self.value)

class BinaryNode:
    def __init__(self,type:str,left_node,right_node):
        self.type =type
        self.left_node = left_node
        self.right_node = right_node
    def __repr(self) -> str:
        return("(" + str(self.left_node) + tokens.operator_to_character(self.type) + str(self.right_node) + ")")
class UnaryNode:
    def __init__(self,type:str,node):
        self.type = type
        self.node = node

    def __repr__(self) -> str:
        return "(" + tokens.operator_to_character(self.type) + str(self.node) + ")"