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: [-56, 32, -54]

Output: [-12.0, -11.0]


Input: Consider Input: [-46, -62, 32, 90, -50, -12, 70, -55, 38, -53]

Output: [-54.0, -15.0, 61.0, 20.0, -31.0, 29.0, 7.5, -8.5, -7.5]


Input: Consider Input: [-35, 98, 37, -81, -19, -47, -49, -68, 38, 14, 20, 66]


Output: [31.5, 67.5, -22.0, -50.0, -33.0, -48.0, -58.5, -15.0, 26.0, 17.0, 43.0]