TASK DEFINITION: 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].
PROBLEM: [-37, 89]

SOLUTION: [26.0]

PROBLEM: [-53, -56, -45, -28, -18, 57, -43, 80, 49, -74, 25]

SOLUTION: [-54.5, -50.5, -36.5, -23.0, 19.5, 7.0, 18.5, 64.5, -12.5, -24.5]

PROBLEM: [32, 63, -1]

SOLUTION:
[47.5, 31.0]