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: [17, -31, 89, -43, 58, -50, 2, -61]

Output: [-7.0, 29.0, 23.0, 7.5, 4.0, -24.0, -29.5]


Input: Consider Input: [-5, -93, 84, -24, -72]

Output: [-49.0, -4.5, 30.0, -48.0]


Input: Consider Input: [-55, 8, -67, -67, 90, 59, 20, -78, 67]


Output: [-23.5, -29.5, -67.0, 11.5, 74.5, 39.5, -29.0, -5.5]