Python Cookbook
| Jonathan Feinberg, Section 4.25 Frank Fejes, Section 4.24 Carel Fellinger, Section 5.7 Doug Fort, Section 6.3 Gyro Funch, Section 1.12 |
| Jonathan Feinberg, Section 4.25 Frank Fejes, Section 4.24 Carel Fellinger, Section 5.7 Doug Fort, Section 6.3 Gyro Funch, Section 1.12 |