Definition: In this task you are given a list of numbers and you need to find the average of each two consecutive values. The average of two numbers a and b is calculated as: (a + b) /2. The output should be a list of the averages of each two consecutive values. A list is presented with two brackets and comma-separated values, like: [1,2,3].
Input: [2, -49, 34, -98, 36, -48, -73, 88, -55, 34, -47, 77, 90, -30, 62]
Output:
[-23.5, -7.5, -32.0, -31.0, -6.0, -60.5, 7.5, 16.5, -10.5, -6.5, 15.0, 83.5, 30.0, 16.0]