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Practice

Parameter Passing Practice

⭐⭐ intermediate~25 min of coding3 challenges

Out-contracts that assign before they return, ref totals that survive the call, and params counting — the passing toolbox under test.

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What you will practice

  1. Out Params: Assign Before You Return⭐⭐ intermediate
  2. ref: State That Survives the Call⭐⭐ intermediate
  3. Debug: The Discount That Pays Customers⭐⭐ intermediate

Need the concept first? Re-read the lesson.