This kata involves simply printing out the lyrics to the '12 Days of Christmas'.
You should print out each complete verse of the song There should be a blank line between each verse You must ordinalize your numbers: "first day of Christmas", "four calling birds", etc.
Other things to consider / challenge yourself with Object Calisthenics: https://www.cs.helsinki.fi/u/luontola/tdd-2009/ext/ObjectCalisthenics.pdf Test Driven Development
On the First day of christmas, My true love gave to me, a partridge in a pear tree
On the Second day of christmas, My true love gave to me, Two turtle doves, And a partridge in a pear tree
On the Third day of christmas, My true love gave to me, Three french hens, Two turtle doves, And a partridge in a pear tree
etc.
Twelve drummers drumming, Eleven pipers piping, Ten lords-a-leaping, Nine ladies dancing, Eight maids-a-milking, Seven swans-a-swimming, Six geese-a-laying, Five golden rings, Four calling birds, Three french hens, Two turtle doves, And a partridge in a pear tree.