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Snap! Reference Manual Acknowledgements 1. Blocks, Scripts, and Sprites 2. Saving and Loading Projects and Media 3. Building a Block 4. First Class Lists 5. Typed Inputs 6. Procedures as Data 7. Object Oriented Programming with Sprites 8. OOP with Procedures 9. The Outside World 10. Continuations 11. Metaprogramming 12. User Interface Elements

Appendix

Blocks

All Snap! Blocks

Motion Blocks

Looks Blocks

Sound Blocks

Pen Blocks

Control Blocks

Sensing Blocks

Operators Blocks

Variables Blocks

set to change by show variable hide variable Script variables inherit list numbers from to In Front Of item of all but first of Report List Attribute index of in List Contains is empty?map over keep items from find first item in combine using for each in add to delete of insert at of replace item of with append reshape to combinations

keep items from

Complete Me

The "keep items _ from _" block

Help screen for the "keep items _ from _" block

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Example Projects¶

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Variables Blocks

Variables Blocks

find first item in