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: [-34, 86, -55, 55, 97, 30, 27, -60, -25, 54, -4]

Output: [26.0, 15.5, 0.0, 76.0, 63.5, 28.5, -16.5, -42.5, 14.5, 25.0]


Input: Consider Input: [-83, 76, -85, -7, -44, 87, -21, 19, 94, -96, 15, 67, 15, 50]


Output: [-3.5, -4.5, -46.0, -25.5, 21.5, 33.0, -1.0, 56.5, -1.0, -40.5, 41.0, 41.0, 32.5]