instruction:
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.
question:
[199, 461, 73, 177, 360, 257, 168, 273, 18, 19, 151, 356, 234, 89, 138, 85, 172, 425, 56, 228]
answer:
443


question:
[361, 224, 198, 74, 147, 325, 59, 18, 240, 496, 383, 321, 441, 291, 328, 64, 424, 105, 448, 226]
answer:
478


question:
[468, 47, 379, 239, 487, 129, 150, 25, 294, 76, 29, 385, 214, 290, 422, 252, 355, 435, 114, 480]
answer:

462