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].

[1, 77, 55, -37, -65, 80, 31, -37, -61, 3, -80]
[39.0, 66.0, 9.0, -51.0, 7.5, 55.5, -3.0, -49.0, -29.0, -38.5]

[24, 45, -50, 2, -75, -84, 83, -44, 89, -50, -65, 23, 94]
[34.5, -2.5, -24.0, -36.5, -79.5, -0.5, 19.5, 22.5, 19.5, -57.5, -21.0, 58.5]

[66, 20, -19, 27, 63, -83, 36, -57, -75, -79, -40]

[43.0, 0.5, 4.0, 45.0, -10.0, -23.5, -10.5, -66.0, -77.0, -59.5]