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].

[79, 42, -75, -7]
[60.5, -16.5, -41.0]

[81, 73]
[77.0]

[60, 85, -20, -90, 15, 73, -91, -5, -73, 53, 64]

[72.5, 32.5, -55.0, -37.5, 44.0, -9.0, -48.0, -39.0, -10.0, 58.5]