3 commits

Author	SHA1	Message	Date
Dave Gauer	08ec029f20	Added ex 19,20 functions and pop quiz	2021-01-22 17:42:03 -05:00
Dave Gauer	a361b90a75	Hinting return type rather than making 'em guess.	2021-01-21 17:23:09 -05:00
Dave Gauer	b02845819a	Added Ex. 18 functions	2021-01-19 19:46:53 -05:00