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: [-16, 54, 42]

Output: [19.0, 48.0]


Input: Consider Input: [28, -83, -37, -51]

Output: [-27.5, -60.0, -44.0]


Input: Consider Input: [93, 25]


Output: [59.0]