Complete the following statement:

country $=$ pandas.$\_\_$A$\_\_(\_\_$B$\_\_=[[\text{'}$China$\text{'},$ 'Asia', $9572900],[\text{'}$Bangladesh$\text{'},$ 'Asia', $143998],[\text{'}$Brazil$\text{'},$ 'South America', $8547403],[\text{'}$Norway$\text{'},$ 'Europe', $358207]],\_\_$C$\_\_=[\text{'}$Country$\text{'},$ 'Continent', 'Population'$],\_\_$D$\_\_=[0,1,2,3])$ print$($country$)$

Country Continent. Population $0$ China Asia $95729001$ Bangladesh Asia $1439982$ Brazil South America $85474033$ Norway Europe $358207$

$1)$

What is A$?$

$2)$

What is B$?$

$3)$

What is C$?$

$4)$

What is D$?$