Update Part VII: Printing.md
Rename Part VII: Printing.md to Part II: Printing.md
Rename Part II: Arithmetic.md to Part III: Arithmetic.md
Update Part IV: Loops.md
Update Part IV: Loops.md
Update Part III: Arithmetic.md
Update Part IV: Loops.md
Update Part IV: Loops.md
Update Part III: Arithmetic.md
Create Part III: Variables
Rename Part III: Variables to Part III: Variables.md
Update Part III: Variables.md
Update Part III: Variables.md
Update Part III: Variables.md
Update and rename Part III: Arithmetic.md to Part IV: Arithmetic.md
Update Part IV: Loops.md
Update Part IV: Loops.md
Rename Part IV: Loops.md to Part VI: Loops.md
Update Part IV: Arithmetic.md
Update Part IV: Arithmetic.md