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: [-100, 68, -69, 30]

Output: [-16.0, -0.5, -19.5]


Input: Consider Input: [-70, -94]

Output: [-82.0]


Input: Consider Input: [76, 20, 87, 90, -56, 99, -12, -63, -91, 56, 79, -94]


Output: [48.0, 53.5, 88.5, 17.0, 21.5, 43.5, -37.5, -77.0, -17.5, 67.5, -7.5]