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Unit 4: Functions and Lists

Functions give one name to a useful group of commands. Lists keep several related values in order. You will use both to make programs easier to test and change.

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What This Unit Covers

Define and call a function at the correct point in a program.
Use parameters, local values, and returned results.
Read list items by index and process each item with a loop.
Review the sequence and goals here, then resume at your first incomplete lesson.

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