REF: simplify example of printing list in reverse.
0. 0.
0.25 0.47775
0.5 0.931
0.75 1.35975
1. 1.764
1.25 2.14375
1.5 2.499
1.75 2.82975
2. 3.136
2.25 3.41775
2.5 3.675
2.75 3.90775
3. 4.116
3.25 4.29975
3.5 4.459
3.75 4.59375
4. 4.704
4.25 4.78975
4.5 4.851
4.75 4.88775
5. 4.9
5.25 4.88775
5.5 4.851
5.75 4.78975
6. 4.704
6.25 4.59375
6.5 4.459
6.75 4.29975
7. 4.116
7.25 3.90775
7.5 3.675
7.75 3.41775
8. 3.136
8.25 2.82975
8.5 2.499
8.75 2.14375
9. 1.764
9.25 1.35975
9.5 0.931
9.75 0.47775
10. 0.