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: [57, -42, -14, -48, -62, 7, -9]

SOLUTION: [7.5, -28.0, -31.0, -55.0, -27.5, -1.0]

PROBLEM: [1, 64, -12, -75, 99, 70, -83]

SOLUTION: [32.5, 26.0, -43.5, 12.0, 84.5, -6.5]

PROBLEM: [-9, 97, -37]

SOLUTION:
[44.0, 30.0]