in python, how would you format print$($f$"$In $\{$year$\},$ New Zealand had a population of $\{$population$\}$ and a life expectancy of $\{$expectancy$\}$ years."$)$ if years $=2017,$ population $=6793700,$ and expectancy $=71\mathrm{.}7143.$ make each number variable into a string, and add commas to the population number variable and print only the first two digits after the decimal in the expectancy number variable.