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: [59, -19, -85]

Output: [20.0, -52.0]


Input: Consider Input: [-29, 22, -42, -12, 58, 25, -52, -44, 94, -43, -69]

Output: [-3.5, -10.0, -27.0, 23.0, 41.5, -13.5, -48.0, 25.0, 25.5, -56.0]


Input: Consider Input: [21, -78, 99, -52, 92, -77, -42, 46]


Output: [-28.5, 10.5, 23.5, 20.0, 7.5, -59.5, 2.0]