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]: [415, 105, 125, 162, 344, 251, 265, 448, 131, 386, 316, 129, 470, 272, 109, 201, 127, 322, 68, 328]
[EX A]: 402

[EX Q]: [362, 49, 24, 479, 332, 186, 411, 116, 128, 209, 104, 431, 375, 63, 435, 367, 451, 62, 93, 226]
[EX A]: 455

[EX Q]: [140, 233, 141, 280, 235, 423, 60, 206, 19, 292, 81, 83, 245, 450, 350, 176, 282, 463, 267, 276]
[EX A]:
444