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].

[57, -42, -14, -48, -62, 7, -9]
[7.5, -28.0, -31.0, -55.0, -27.5, -1.0]

[66, -73, -61, -3, 2, -47, -91, 97, 58, -62, 81, -71, -43, -40, -65]
[-3.5, -67.0, -32.0, -0.5, -22.5, -69.0, 3.0, 77.5, -2.0, 9.5, 5.0, -57.0, -41.5, -52.5]

[-96, 9, -60, 12, -12, 33, -93, -80, -54, 24, 48, 24]

[-43.5, -25.5, -24.0, 0.0, 10.5, -30.0, -86.5, -67.0, -15.0, 36.0, 36.0]