A13 Resolved & tests.scm Updated
B14 Resolved % tests.scm Updated
A15 Resolved & tests.scm Updated
A16 Resolved & tests.scm Updated
B17 Resolved & tests.scm Updated
Q18 Resolved
A19 Resolved & Q18 Optimized
B20 Resolved
Merge branch 'master' of https://github.com/tangkangkai/tallrichhandsomeBob