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: [-18, -74, -7, 59, -76, -57, -99, 65]

A: [-46.0, -40.5, 26.0, -8.5, -66.5, -78.0, -17.0]
****
Q: [-31, 21, -23]

A: [-5.0, -1.0]
****
Q: [86, -61, 53, -47, 31, -60, 42, -73, -5, -40, -91, 55, -77, -67, -84]

A:
[12.5, -4.0, 3.0, -8.0, -14.5, -9.0, -15.5, -39.0, -22.5, -65.5, -18.0, -11.0, -72.0, -75.5]
****