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# calculate the average age of a group
let total_age be 0

let members be list with
  object with name as "alice", and age as 22,
  object with name as "bob", and age as 25, and
  object with name as "charlie", and age as 35

for each member in members do
  update total_age to total_age plus member's age

let average be function with total, and count as
  total divided by count

let average_age be average with total_age, and members's length
print "the average age of the group is {average_age}."

if average_age is greater than 30 do
  print "that's a pretty mature group!"
otherwise
  print "that's a young bunch!"