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: [-19, 70, -70, -72, 67, 39, -45, -57, -75]

Output: [25.5, 0.0, -71.0, -2.5, 53.0, -3.0, -51.0, -66.0]


Input: Consider Input: [33, 66, 9, -63, -67, 30, -47, -2, -26, -91]

Output: [49.5, 37.5, -27.0, -65.0, -18.5, -8.5, -24.5, -14.0, -58.5]


Input: Consider Input: [-77, 67, -21, 78, -36, -45, 33, -76, 69, -87, -34, -98]


Output: [-5.0, 23.0, 28.5, 21.0, -40.5, -6.0, -21.5, -3.5, -9.0, -60.5, -66.0]