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: [-15, -37, -91, -88, -52, -30, 63, 69, -36, 41, 39, -49, 7, -57, -37]

Output: [-26.0, -64.0, -89.5, -70.0, -41.0, 16.5, 66.0, 16.5, 2.5, 40.0, -5.0, -21.0, -25.0, -47.0]


Input: Consider Input: [86, -66, -60]

Output: [10.0, -63.0]


Input: Consider Input: [7, 41, -45, -56, 32, -57, -34, 85, 49, -41, -94]


Output: [24.0, -2.0, -50.5, -12.0, -12.5, -45.5, 25.5, 67.0, 4.0, -67.5]