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: [79, 42, -75, -7]

Output: [60.5, -16.5, -41.0]


Input: Consider Input: [78, 3, 3, 50, 80, -76, -73, -20, -71, -29, -47, 4]

Output: [40.5, 3.0, 26.5, 65.0, 2.0, -74.5, -46.5, -45.5, -50.0, -38.0, -21.5]


Input: Consider Input: [67, -84, 42, -64, -18, 19, 28]


Output: [-8.5, -21.0, -11.0, -41.0, 0.5, 23.5]