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: [-12, -89]

Output: [-50.5]


Input: Consider Input: [60, 14]

Output: [37.0]


Input: Consider Input: [42, 100, 9, 50, -65]


Output: [71.0, 54.5, 29.5, -7.5]