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: [53, -70, 12, 14, -11, -69, 85]

Output: [-8.5, -29.0, 13.0, 1.5, -40.0, 8.0]


Input: Consider Input: [-31, 21, -23]

Output: [-5.0, -1.0]


Input: Consider Input: [-54, -99, 6, 99, -35, -71, -100]


Output: [-76.5, -46.5, 52.5, 32.0, -53.0, -85.5]