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, -48, 49]

SOLUTION: [-5.5, 0.5]

PROBLEM: [34, 32, -21, -70, 38, 7, -25]

SOLUTION: [33.0, 5.5, -45.5, -16.0, 22.5, -9.0]

PROBLEM: [-35, 90, 23, -93, 24, 35, 12, 86, -15, 42, -58, 23, 43]

SOLUTION:
[27.5, 56.5, -35.0, -34.5, 29.5, 23.5, 49.0, 35.5, 13.5, -8.0, -17.5, 33.0]

