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]: [17, 486, 428, 454, 62, 124, 487, 315, 25, 457, 265, 108, 441, 286, 146, 467, 144, 318, 483, 440]
[EX A]: 470

[EX Q]: [218, 284, 359, 456, 33, 488, 388, 59, 208, 68, 190, 188, 338, 45, 350, 103, 265, 58, 178, 193]
[EX A]: 455

[EX Q]: [349, 495, 181, 489, 385, 406, 314, 22, 128, 236, 214, 157, 66, 237, 475, 195, 407, 199, 13, 245]
[EX A]:
482