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: Consider Input: [89, -29, -43, 99, -63, -80, -73, -50, -58]

Output: [30.0, -36.0, 28.0, 18.0, -71.5, -76.5, -61.5, -54.0]


Input: Consider Input: [-100, 68, -69, 30]

Output: [-16.0, -0.5, -19.5]


Input: Consider Input: [-38, 35, -88, -20, -65, 94, 30, -37, 40, -18]


Output: [-1.5, -26.5, -54.0, -42.5, 14.5, 62.0, -3.5, 1.5, 11.0]