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Prefix Notation Evaluation

JavaScriptHarddata_structuresarrayslanguage_fundamentals

Instructions

Create a function that takes a mathematical expression in prefix notation as a string and evaluates the expression.

Examples

prefix("+ 5 4") ➞ 9

prefix("* 12 2") ➞ 24

prefix("+ -10 10") ➞ 0

Notes

  • The mathematical expression is valid.
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Walks through the solution with reasoning and edge cases.