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:
[-20, 65, 24, -49, 2, -21, 86, 4, 30, 67, -98]

Ex Output:
[22.5, 44.5, -12.5, -23.5, -9.5, 32.5, 45.0, 17.0, 48.5, -15.5]


Ex Input:
[0, -85, 1, 64, 53, -80, 18, 45, 57, -84, -11, 80, -23, 91]

Ex Output:
[-42.5, -42.0, 32.5, 58.5, -13.5, -31.0, 31.5, 51.0, -13.5, -47.5, 34.5, 28.5, 34.0]


Ex Input:
[6, -48]

Ex Output:

[-21.0]


