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:
[33, -16, -82, -16, -60]

Ex Output:
[8.5, -49.0, -49.0, -38.0]


Ex Input:
[7, -23]

Ex Output:
[-8.0]


Ex Input:
[-29, -56, -77, -51, 5, -12, -80]

Ex Output:

[-42.5, -66.5, -64.0, -23.0, -3.5, -46.0]