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:
[-18, -74, -7, 59, -76, -57, -99, 65]

Ex Output:
[-46.0, -40.5, 26.0, -8.5, -66.5, -78.0, -17.0]


Ex Input:
[-50, 22, -84, -93, 27]

Ex Output:
[-14.0, -31.0, -88.5, -33.0]


Ex Input:
[-68, -74, -46, 44, -79, -70, 73, -47, -2, 98, 47, 41, 95]

Ex Output:

[-71.0, -60.0, -1.0, -17.5, -74.5, 1.5, 13.0, -24.5, 48.0, 72.5, 44.0, 68.0]