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: [-31, 39, -47]

Output: [4.0, -4.0]


Input: Consider Input: [92, 61, 50, -43, -94, 38, -49, 52, 19, 3, -96, 27]

Output: [76.5, 55.5, 3.5, -68.5, -28.0, -5.5, 1.5, 35.5, 11.0, -46.5, -34.5]


Input: Consider Input: [80, -83, -78, 29, -97, 72, 57, -71, 17, -51, 83, 45]


Output: [-1.5, -80.5, -24.5, -34.0, -12.5, 64.5, -7.0, -27.0, -17.0, 16.0, 64.0]