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]: [231, 297, 150, 135, 464, 31, 332, 101, 214, 249, 165, 245, 465, 456, 254, 133, 257, 484, 106, 143]
[A]: 453

[Q]: [44, 23, 60, 376, 408, 202, 423, 267, 326, 357, 200, 79, 178, 36, 230, 243, 220, 304, 168, 457]
[A]: 434

[Q]: [154, 363, 245, 461, 244, 457, 274, 286, 490, 339, 304, 317, 408, 115, 413, 47, 42, 28, 19, 106]
[A]:
471