write a python code using main function and loop that add up the amount of servings depeninding on the age $($example $0-11=0\mathrm{.}2$ servings$)$ and add up all the serving together.

$0-11=0\mathrm{.}2$

$12-18=0\mathrm{.}5$

$24-33=1\mathrm{.}2$