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Basic Calculator

Understand how to build a basic calculator in Python that evaluates arithmetic expressions with integers, plus and minus operators, and parentheses. Explore stack usage to handle nested expressions without relying on built-in evaluation functions.

Statement

Given a string containing an arithmetic expression, implement a basic calculator that evaluates the expression string. The expression string can contain integer numeric values and should be able to handle the “+” and “-” operators, as well as “()” parentheses.

Constraints:

Let ...