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].

[82, -37, 81]
[22.5, 22.0]

[-18, -74, -7, 59, -76, -57, -99, 65]
[-46.0, -40.5, 26.0, -8.5, -66.5, -78.0, -17.0]

[84, -98, 73, 81, 31, -70, -9, 71, -88, -29, -77, -44]

[-7.0, -12.5, 77.0, 56.0, -19.5, -39.5, 31.0, -8.5, -58.5, -53.0, -60.5]