Add files via upload

python_symb/symbols.py

@@ -0,0 +1,34 @@
+from __future__ import annotations
+# from expr import Expr
+
+
+class Symbols:
+    """
+    All maths things (other than number) that will be parsed need to be of "Symbols" class
+    """
+    instances = []
+
+    def __init__(self, name):
+        self.name = name
+        Symbols.instances.append(self)
+
+    def __repr__(self):
+        return self.name
+
+    def __str__(self):
+        return self.name
+
+
+class Var(Symbols):
+    """
+    variable, like 'x' in x+2
+    """
+    instances = []
+
+    def __init__(self, name):
+        super().__init__(name)
+        self.__class__.instances.append(self)
+
+    """def __add__(self, other) -> Expr:
+        return Expr('+', [self, other])"""
+