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].

[Q]: [1, 77, 55, -37, -65, 80, 31, -37, -61, 3, -80]
[A]: [39.0, 66.0, 9.0, -51.0, 7.5, 55.5, -3.0, -49.0, -29.0, -38.5]


[Q]: [93, 23, -18, 1, -66]
[A]: [58.0, 2.5, -8.5, -32.5]


[Q]: [100, -47, 85, 58, -9, 8, 14, 58, 28, 41, 22, -59, -23, -78]
[A]:
[26.5, 19.0, 71.5, 24.5, -0.5, 11.0, 36.0, 43.0, 34.5, 31.5, -18.5, -41.0, -50.5]