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:
[79, -21, 98, 57, -90, 11, 45, -2, 6, -34]

Ex Output:
[29.0, 38.5, 77.5, -16.5, -39.5, 28.0, 21.5, 2.0, -14.0]


Ex Input:
[-33, -1, -94, -98, -30, 45, -46]

Ex Output:
[-17.0, -47.5, -96.0, -64.0, 7.5, -0.5]


Ex Input:
[-11, -9, 8, -20, -71, 13, -60, -5, 33, -2, 44, -60, -1, -20]

Ex Output:

[-10.0, -0.5, -6.0, -45.5, -29.0, -23.5, -32.5, 14.0, 15.5, 21.0, -8.0, -30.5, -10.5]