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].

[67, 45, 59, -50, -28, -70, -84, 69, 72, 53]
[56.0, 52.0, 4.5, -39.0, -49.0, -77.0, -7.5, 70.5, 62.5]

[-75, -34, -1, 26, -70, 62, -63, -8, -10, -29, -27, 0, 87, 29, 29]
[-54.5, -17.5, 12.5, -22.0, -4.0, -0.5, -35.5, -9.0, -19.5, -28.0, -13.5, 43.5, 58.0, 29.0]

[-34, -33, 18, 54, 98, 9, -49, -94, -27, 6, -82]

[-33.5, -7.5, 36.0, 76.0, 53.5, -20.0, -71.5, -60.5, -10.5, -38.0]