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, -22, -38, 68, 32, -96, 79, 4, -39, -49]

Ex Output:
[-21.0, -30.0, 15.0, 50.0, -32.0, -8.5, 41.5, -17.5, -44.0]


Ex Input:
[-33, -1, -94, -98, -30, 45, -46]

Ex Output:
[-17.0, -47.5, -96.0, -64.0, 7.5, -0.5]


Ex Input:
[-35, -98, -49, -84, 39, -2, -79, 0, -39, -53, -97]

Ex Output:

[-66.5, -73.5, -66.5, -22.5, 18.5, -40.5, -39.5, -19.5, -46.0, -75.0]