Delete python_symb directory

python_symb/expr.py

@@ -1,38 +0,0 @@
-from __future__ import annotations
-from tree import Tree
-from operator_file import Add, Mul
-from operator_file import UnaryOperator, BinOperator
-from typing import List
-from symbols import Var
-from parse import infix_str_to_postfix
-
-
-class Expr(Tree):
-    def __init__(self, value, children=None):
-        super().__init__(value, children if children else [])
-
-    @staticmethod
-    def from_postfix_list(postfix: List):
-
-        def aux():
-            first = postfix.pop()
-            match first:
-                case int() | Var():
-                    return Tree(first)
-                case UnaryOperator():
-                    return Tree(first, [aux()])
-                case BinOperator():
-                    return Tree(first, [aux(), aux()])
-
-        return aux()
-
-    @staticmethod
-    def from_infix_str(expr_str):
-        expr_rev_polish = infix_str_to_postfix(expr_str)
-        return Expr.from_postfix_list(expr_rev_polish)
-
-
-
-
-
-