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].

[60, 88]
[74.0]

[-9, 16, 56, 44, 37, -82, -63]
[3.5, 36.0, 50.0, 40.5, -22.5, -72.5]

[27, 4, 25, -43, -1, 51, 19, -84, 82, -37, 90, 88, 18, -91, -25]

[15.5, 14.5, -9.0, -22.0, 25.0, 35.0, -32.5, -1.0, 22.5, 26.5, 89.0, 53.0, -36.5, -58.0]