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].

[31, 33, 27, 25]
[32.0, 30.0, 26.0]

[24, -46, -3, -23, -54, 24, 89, -5, -46, -97, 64, -83]
[-11.0, -24.5, -13.0, -38.5, -15.0, 56.5, 42.0, -25.5, -71.5, -16.5, -9.5]

[-6, -18, 1, 1, 14, -47, -51, 100, 60, 24, 78, -80, 72, 41, 23]

[-12.0, -8.5, 1.0, 7.5, -16.5, -49.0, 24.5, 80.0, 42.0, 51.0, -1.0, -4.0, 56.5, 32.0]