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: [-96, -73]

Output: [-84.5]


Input: Consider Input: [40, 77, 36, 50, 36, 89, -13, 75, -57, -13, 15, 42, 72, 21]

Output: [58.5, 56.5, 43.0, 43.0, 62.5, 38.0, 31.0, 9.0, -35.0, 1.0, 28.5, 57.0, 46.5]


Input: Consider Input: [67, -70, 31, -19, 89, 8, -8, -38, -2, 47, 51, 32, 70, -70]


Output: [-1.5, -19.5, 6.0, 35.0, 48.5, 0.0, -23.0, -20.0, 22.5, 49.0, 41.5, 51.0, 0.0]