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: [-23, 69, -75]

Output: [23.0, -3.0]


Input: Consider Input: [-16, -71, 65, -8, 15, 10, -100, -67]

Output: [-43.5, -3.0, 28.5, 3.5, 12.5, -45.0, -83.5]


Input: Consider Input: [10, -78]


Output: [-34.0]