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: [-67, 16, 42, -98, -48, -52, 3, 88, 74, -38, -84, 75, 78, -49]
A: 
[-25.5, 29.0, -28.0, -73.0, -50.0, -24.5, 45.5, 81.0, 18.0, -61.0, -4.5, 76.5, 14.5]