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].

[EX Q]: [78, 3, 3, 50, 80, -76, -73, -20, -71, -29, -47, 4]
[EX A]: [40.5, 3.0, 26.5, 65.0, 2.0, -74.5, -46.5, -45.5, -50.0, -38.0, -21.5]

[EX Q]: [6, -20, 92, 43, -89, 46, 1, -64, -71, 88]
[EX A]: [-7.0, 36.0, 67.5, -23.0, -21.5, 23.5, -31.5, -67.5, 8.5]

[EX Q]: [-95, -83, 51, -80]
[EX A]:
[-89.0, -16.0, -14.5]