more unit test.

6 年前 · 8c2008bd5a
--- a/ZipCodeFInalExam_Cohort4.md
+++ b/ZipCodeFInalExam_Cohort4.md
@@ -1,5 +1,5 @@
 
				 # The Test
			
 
				-Instructions: Read each question carefully. Answer all questions.
			
 
				+Instructions: Read each question carefully. Answer all questions. Any software must have exhaustive unit test.
			
 
				 
			
 
				 Time limit: 2 hours. Begin immediately.