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: [38, 27, 49]

A: [32.5, 38.0]
****
Q: [36, -53]

A: [-8.5]
****
Q: [29, -10, -62, 29, -9, -3, 64, -45, -39, -67, 34]

A:
[9.5, -36.0, -16.5, 10.0, -6.0, 30.5, 9.5, -42.0, -53.0, -16.5]
****