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: [22, -21, -6, -2, -76, -26]

Output: [0.5, -13.5, -4.0, -39.0, -51.0]


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

Output: [9.5, -28.0]


Input: Consider Input: [-67, 21, 49, 31, 31, -73, -75, 30, -18, 70, -75, 60]


Output: [-23.0, 35.0, 40.0, 31.0, -21.0, -74.0, -22.5, 6.0, 26.0, -2.5, -7.5]