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: [-50, 22, -84, -93, 27]

Output: [-14.0, -31.0, -88.5, -33.0]


Input: Consider Input: [-74, -74, 64, -88, 59, 99, 27, -18, -49]

Output: [-74.0, -5.0, -12.0, -14.5, 79.0, 63.0, 4.5, -33.5]


Input: Consider Input: [-31, 2, -11, 46]


Output: [-14.5, -4.5, 17.5]