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, 58, 24, 49, 97]

Output: [22.5, 41.0, 36.5, 73.0]


Input: Consider Input: [-99, 50, 84, -80, -77, 83, 16, 12, -100, -68, 30, -30, -83, -33, 84]

Output: [-24.5, 67.0, 2.0, -78.5, 3.0, 49.5, 14.0, -44.0, -84.0, -19.0, 0.0, -56.5, -58.0, 25.5]


Input: Consider Input: [-25, -73, -17, -61, -3, -14, -53, 50, 13, -50, -90, 76, -29]


Output: [-49.0, -45.0, -39.0, -32.0, -8.5, -33.5, -1.5, 31.5, -18.5, -70.0, -7.0, 23.5]