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Have all functions return something in an intro course to help students understand that functions have a start and an end, even though they are always returning.

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  • Seeing what is returned allows students to start debugging without immediately needing to step through the inside of the function. from a function helps students debug what’s going on inside of the function without immediately digging into the function.

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  • CS 1
  • Intro Programming
  • Development Methods
External Source

Interview with Walt Schilling

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Other Tips By Walt Schilling

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