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: [-12, -89]

Output: [-50.5]


Input: Consider Input: [-19, 70, -70, -72, 67, 39, -45, -57, -75]

Output: [25.5, 0.0, -71.0, -2.5, 53.0, -3.0, -51.0, -66.0]


Input: Consider Input: [16, 12, -9, -62]


Output: [14.0, 1.5, -35.5]