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].

[-49, -26, -50, -5, -69, -4, -43, 92]
[-37.5, -38.0, -27.5, -37.0, -36.5, -23.5, 24.5]

[40, -94, 40, -52, -80]
[-27.0, -27.0, -6.0, -66.0]

[97, 15, 57, -20, 78, -91, 7, -14, 71, -36, 7, 77]

[56.0, 36.0, 18.5, 29.0, -6.5, -42.0, -3.5, 28.5, 17.5, -14.5, 42.0]