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: [-69, -35, 56, 64]

Output: [-52.0, 10.5, 60.0]


Input: Consider Input: [-90, 40, 90]

Output: [-25.0, 65.0]


Input: Consider Input: [-33, -30, 63, -67, -4, -86, 84, -84, -29, 50, 34, -16, -69, -24, -75]


Output: [-31.5, 16.5, -2.0, -35.5, -45.0, -1.0, 0.0, -56.5, 10.5, 42.0, 9.0, -42.5, -46.5, -49.5]