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.
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Question: [390, 297, 253, 424, 278, 21, 412, 238, 69, 435, 437, 87, 118, 201, 366, 345, 46, 151, 351, 71]

Answer: 416

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

Answer: 408

Question: [492, 205, 74, 388, 224, 64, 484, 446, 407, 102, 192, 398, 181, 215, 490, 90, 35, 358, 220, 368]

Answer:
457