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].

[20, -40, -63, 94, -53, -6, 18, 47, -18, -20, -94, 71, 17, 26]
[-10.0, -51.5, 15.5, 20.5, -29.5, 6.0, 32.5, 14.5, -19.0, -57.0, -11.5, 44.0, 21.5]

[94, 36, -77, -44, -66, -1, 63, 28, 84, 91, 4, -43, 39, -81, -73]
[65.0, -20.5, -60.5, -55.0, -33.5, 31.0, 45.5, 56.0, 87.5, 47.5, -19.5, -2.0, -21.0, -77.0]

[45, 87, 69]

[66.0, 78.0]