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].

Ex Input:
[-80, -95, 61, -96, 44, 18, 84, -7]

Ex Output:
[-87.5, -17.0, -17.5, -26.0, 31.0, 51.0, 38.5]


Ex Input:
[84, -12, 27, 10, 23, -64, -8, 23, 3, -90, 87, 4, -74]

Ex Output:
[36.0, 7.5, 18.5, 16.5, -20.5, -36.0, 7.5, 13.0, -43.5, -1.5, 45.5, -35.0]


Ex Input:
[-25, -51, -100, -10, -30, -13, -5]

Ex Output:

[-38.0, -75.5, -55.0, -20.0, -21.5, -9.0]