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: [16, 35, 54, -67, 0, -98, 43, -5, 30]

Output: [25.5, 44.5, -6.5, -33.5, -49.0, -27.5, 19.0, 12.5]


Input: Consider Input: [81, 73]

Output: [77.0]


Input: Consider Input: [66, 1, -27, -48, 60, -5, 4, -52, -29, 20]


Output: [33.5, -13.0, -37.5, 6.0, 27.5, -0.5, -24.0, -40.5, -4.5]