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:
[24, -46, -3, -23, -54, 24, 89, -5, -46, -97, 64, -83]

Ex Output:
[-11.0, -24.5, -13.0, -38.5, -15.0, 56.5, 42.0, -25.5, -71.5, -16.5, -9.5]


Ex Input:
[-42, -76]

Ex Output:
[-59.0]


Ex Input:
[53, -82, -66, 11, 61, 11, 53, -26, 15, -49, -96, 18, 99, 1]

Ex Output:

[-14.5, -74.0, -27.5, 36.0, 36.0, 32.0, 13.5, -5.5, -17.0, -72.5, -39.0, 58.5, 50.0]