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].

[-21, 92, -76, 59, 41, -99, -5, 35, 92, 66, -50]
[35.5, 8.0, -8.5, 50.0, -29.0, -52.0, 15.0, 63.5, 79.0, 8.0]

[99, -28, -18, -89, -14, -80, -54, -84, -82]
[35.5, -23.0, -53.5, -51.5, -47.0, -67.0, -69.0, -83.0]

[-92, -7, 28, 69, -60, -58, -88, -60, 20, 82]

[-49.5, 10.5, 48.5, 4.5, -59.0, -73.0, -74.0, -20.0, 51.0]