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:
[4, 2, -57, 94, 32, -15, 69, 43, 35, 46, 45]

Ex Output:
[3.0, -27.5, 18.5, 63.0, 8.5, 27.0, 56.0, 39.0, 40.5, 45.5]


Ex Input:
[-25, 42, -59, 3, 93]

Ex Output:
[8.5, -8.5, -28.0, 48.0]


Ex Input:
[78, -90, -32]

Ex Output:

[-6.0, -61.0]