In this task, you are given a list of integers you need to calculate and return the range of the integers which is the difference between maximum and minimum element in the list.
Q: [183, 51, 382, 122, 494, 156, 71, 84, 461, 468, 90, 302, 380, 104, 87, 402, 360, 184, 283, 413]
A: 
443