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: [-89, 83, 0, -53]

Output: [-3.0, 41.5, -26.5]


Input: Consider Input: [87, 34, 59, -97, -67, -71, -28, -51, 56]

Output: [60.5, 46.5, -19.0, -82.0, -69.0, -49.5, -39.5, 2.5]


Input: Consider Input: [-38, 22, 47]


Output: [-8.0, 34.5]