for i=1,math.random(10,20) do print(math.sqrt(i)) end
Standard input is empty
1 1.4142135623731 1.7320508075689 2 2.2360679774998 2.4494897427832 2.6457513110646 2.8284271247462 3 3.1622776601684 3.3166247903554 3.4641016151378 3.605551275464 3.7416573867739 3.8729833462074 4 4.1231056256177 4.2426406871193 4.3588989435407