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: [68, -24, 24]

Output: [22.0, 0.0]


Input: Consider Input: [-12, -89]

Output: [-50.5]


Input: Consider Input: [91, 12, -46, -4, 71, -85, 79, -75, -39, 98, -74, 12, 80]


Output: [51.5, -17.0, -25.0, 33.5, -7.0, -3.0, 2.0, -57.0, 29.5, 12.0, -31.0, 46.0]