problem 11
solved problem 20)
problems 22, 25 and start 17
count size of converted word test passes
solved 17
solved 19, 21, 36
solved 42, started 43, 19
solved 35
solved 30
solved 29
solved 34
solved 24
leap year test passes
days in test passes
days of months
first days
who knows
solved 32
solved 38
refactor 12