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].

[72, -80]
[-4.0]

[1, -64, 72, 62, -38, 29, -93, 75, -71, 49, -41, 33, 73]
[-31.5, 4.0, 67.0, 12.0, -4.5, -32.0, -9.0, 2.0, -11.0, 4.0, -4.0, 53.0]

[-93, 3, 53, -73, -13, -23, -28, -50, 99, 28, 98]

[-45.0, 28.0, -10.0, -43.0, -18.0, -25.5, -39.0, 24.5, 63.5, 63.0]