Evaluating Reverse Polish Notation with Stacks

Day 4 of #30DaysOfCode | Evaluate Reverse Polish Notation Today’s problem focused on evaluating mathematical expressions written in postfix notation using a stack. This one helped reinforce how stacks simplify expression evaluation without needing parentheses or operator precedence logic. Key learning: Understanding stack behavior is essential for parsing expressions, interpreters, and compilers. #leetcode #python #datastructures #problemsolving #stack #coding

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