What will this statement return?
{x : x*x for x in range(1,100)}
A dictionary with x as a key, and x squared as its value; from 1 to 100.
x
A dictionary with x as a key, and x squared as its value; from 1 to 99.
A list with all numbers squared from 1 to 99.
A set of tuples, consisting of (x, x squared); from 1 to 99.