Complete the calc$\_$average $($ function that has a float list parameter and returns the average value of the elements in the list as an integer. Ex: If the input list is:

$1\mathrm{.}1,2\mathrm{.}1,3\mathrm{.}1,4\mathrm{.}1,5\mathrm{.}1$

then the returned average will be:

$3$