The second homework is to explore the data located at "https://gitlab.com/didiercrunch/honore-beaugrand/raw/master/resources/data/homework2/classes.edn". The data is composed of the personal information of students attending three classes.
How many students is there in all three classes
What is the age of the oldest/youngest student.
tip: min, max and apply
What is the name of the oldest/youngest student?
What is the average age in the school?
tip: reduce, +, count
What is the proportion of girls and boys in the school?