# \#csd-unit-4-lesson-9

**URL:** https://forum.code.org/tag/csd-unit-4-lesson-9/410.md

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## [CSD Unit 4 Lesson 9](https://forum.code.org/t/csd-unit-4-lesson-9/24406)

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**Author:** [@gtwrobel](https://forum.code.org/u/gtwrobel)\
**Replies:** 0\
**Last updated:** [January 28, 2019, 11:07pm UTC](https://forum.code.org/t/csd-unit-4-lesson-9/24406 "2019-01-28T23:07:51Z")

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Use this topic to discuss Unit 4 Lesson 9 of CS Discoveries.