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: [53, 13, 15]

Output: [33.0, 14.0]


Input: Consider Input: [33, -76, 34, -35, 27, 74]

Output: [-21.5, -21.0, -0.5, -4.0, 50.5]


Input: Consider Input: [-71, 46, -58, 61, -49, -9, 49, -32, -19, 29, 75, -70, 69, 16]


Output: [-12.5, -6.0, 1.5, 6.0, -29.0, 20.0, 8.5, -25.5, 5.0, 52.0, 2.5, -0.5, 42.5]