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: [83, -58]

A: [12.5]
****
Q: [-16, -71, 65, -8, 15, 10, -100, -67]

A: [-43.5, -3.0, 28.5, 3.5, 12.5, -45.0, -83.5]
****
Q: [68, 89]

A:
[78.5]
****