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: [86, -66, -60]

Output: [10.0, -63.0]


Input: Consider Input: [-63, 4, 4, 49, -83, 99, 85, -18, 11, 83, 73]

Output: [-29.5, 4.0, 26.5, -17.0, 8.0, 92.0, 33.5, -3.5, 47.0, 78.0]


Input: Consider Input: [48, 13, 2, 17, 74, 75, 64, 6, 24, 77, -66, 79, -75, -66]


Output: [30.5, 7.5, 9.5, 45.5, 74.5, 69.5, 35.0, 15.0, 50.5, 5.5, 6.5, 2.0, -70.5]