feat(task2): process equations with "()"

task2/main.py

@@ -7,7 +7,10 @@ from tokenizer import tokenize
 
 from math_objects import Token, Integer, Operator
 
-equation: str = "1+ 2+3/3-1"# input()
+equation: str = "1+0-1/(0+2)"# input()
+
+if not equation.strip():
+    raise SyntaxError("Пустая строка")
 
 tokens: Iterable[Token] = tokenize(equation)
 sorted_tokens: Iterable[Token] = translate(tokens)
@@ -18,11 +21,12 @@ for token in sorted_tokens:
     if not isinstance(token, Operator):
         token_stack.append(token)
         continue
-    b, a = token_stack.pop(), token_stack.pop()
+    try:
+        b, a = token_stack.pop(), token_stack.pop()
+    except IndexError:
+        raise SyntaxError
     ic(a.value, token.value, b.value)
     new_integer = Integer(eval(f"{a.value}{token.value}{b.value}"))
     token_stack.append(new_integer)
 
-ic(len(token_stack))
-
 print(token_stack.pop().value)