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: [-38, -61, -23, -94, -64, 18, -26, -96, -92, 96, -34, -80, -13, 45, -83]

Output: [-49.5, -42.0, -58.5, -79.0, -23.0, -4.0, -61.0, -94.0, 2.0, 31.0, -57.0, -46.5, 16.0, -19.0]


Input: Consider Input: [72, -90, -99, -88, -87, -26, -40, -45, 69, 32, 57, 21, -67]

Output: [-9.0, -94.5, -93.5, -87.5, -56.5, -33.0, -42.5, 12.0, 50.5, 44.5, 39.0, -23.0]


Input: Consider Input: [-5, -29, 78, 64]


Output: [-17.0, 24.5, 71.0]