get$\_$big$\_$winner$($self$)-$ return the ticket with the largest prize. If more than one

ticket happens to share the distinction then it does not matter which one you return.

get$\_$big$\_$winners $($self$,$ amount$)-$ return a list of all tickets with a prize of at

least amount. If necessary, it is OK to return a list with no tickets. Hint, can be written

in less than ten lines of code.

print$\_$big$\_$winners$($self$,$ amount$)-$ call get$\_$big$\_$winners$()$ and then

print all tickets. See below for sample output.