Find/count number of students with age < 30.

def setup():
   name = ["Gun", "Rit", "Frame"]
   ID = [32075, 32078, 32080]
   age = [38, 83, 19]
   weight = [80, 75, 58.2]
   height = [1.74, 1.70, 1.73]
   print(count(age))
 
def count(age):
   i = 0
   count = 0
   while(i < len(age)):
      if(age[i] < 30):
         count = count + 1
      i = i + 1
   return count

setup()