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, -66]

Output: [1.0]


Input: Consider Input: [-14, 33, -89]

Output: [9.5, -28.0]


Input: Consider Input: [-67, 100, 98]


Output: [16.5, 99.0]