Complete the following function according to its docstring:

def average$\_$daily$\_$temp$($high$\_$temps: list$[$int$],$

low$\_$temps: list$[$int$])->$ list$[$float$]$:

$"""$high$\_$temps and low$\_$temps are daily high and low temperatures for a series

of days. Return a new list of temperatures where each item is the daily

average.

Precondition: len$($high$\_$temps$)==$ len$($low$\_$temps$)$

$>>>$ average$\_$daily$\_$temp$([26,27,27,28,27,26],[20,20,20,20,21,21])$

$[23\mathrm{.}0,23\mathrm{.}5,23\mathrm{.}5,24\mathrm{.}0,24\mathrm{.}0,23\mathrm{.}5]$

$"""$