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].

[-21, 13, 42, 12, 48, 35, -98, -25, -7, 21, 35, -24, -45]
[-4.0, 27.5, 27.0, 30.0, 41.5, -31.5, -61.5, -16.0, 7.0, 28.0, 5.5, -34.5]

[-63, 22, 66, -25, 21, -32, -57, -66, 50, -82, 29]
[-20.5, 44.0, 20.5, -2.0, -5.5, -44.5, -61.5, -8.0, -16.0, -26.5]

[88, -60, -50, 64, 97, 97, 82, 42, 9, -50, -70, -94]

[14.0, -55.0, 7.0, 80.5, 97.0, 89.5, 62.0, 25.5, -20.5, -60.0, -82.0]