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: [100, 186, 178, 334, 221, 146, 426, 377, 49, 116, 273, 492, 318, 464, 253, 404, 114, 346, 348, 216]
A: 
443