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: [13, -16, 74, -48, 53, 39, -49]

Output: [-1.5, 29.0, 13.0, 2.5, 46.0, -5.0]


Input: Consider Input: [-56, 32, -54]

Output: [-12.0, -11.0]


Input: Consider Input: [-97, 22, 3, -98, -72, 98, 49, 76, 24, -8, -79, 36, -74]


Output: [-37.5, 12.5, -47.5, -85.0, 13.0, 73.5, 62.5, 50.0, 8.0, -43.5, -21.5, -19.0]