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.

[EX Q]: [202, 124, 414, 49, 223, 298, 466, 495, 472, 87, 37, 360, 305, 339, 151, 59, 362, 52, 293, 434]
[EX A]: 458

[EX Q]: [338, 470, 159, 421, 176, 453, 322, 346, 142, 231, 245, 200, 488, 255, 436, 459, 388, 35, 412, 261]
[EX A]: 453

[EX Q]: [439, 406, 106, 253, 361, 393, 232, 269, 64, 208, 234, 354, 231, 307, 47, 31, 377, 80, 400, 294]
[EX A]:
408