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: [69, -80, -15, 46, -42, 45, 99, -47, -89, -77, -37, -76, 74, -72]
Output:
[-5.5, -47.5, 15.5, 2.0, 1.5, 72.0, 26.0, -68.0, -83.0, -57.0, -56.5, -1.0, 1.0]