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:
[-72, -25, -60, -27, 99, -14, -13, -78, 43, -48, -98]

Ex Output:
[-48.5, -42.5, -43.5, 36.0, 42.5, -13.5, -45.5, -17.5, -2.5, -73.0]


Ex Input:
[-27, 83, -67, 51, -57, -18, -59, 85, -84, 68, 16, 61]

Ex Output:
[28.0, 8.0, -8.0, -3.0, -37.5, -38.5, 13.0, 0.5, -8.0, 42.0, 38.5]


Ex Input:
[-58, -99, 39, 60, 15, -61]

Ex Output:

[-78.5, -30.0, 49.5, 37.5, -23.0]