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: [-76, -63, 15, 34, 34, 62, 23, -67, -17, 84, -47]

SOLUTION: [-69.5, -24.0, 24.5, 34.0, 48.0, 42.5, -22.0, -42.0, 33.5, 18.5]

PROBLEM: [67, 45, 59, -50, -28, -70, -84, 69, 72, 53]

SOLUTION: [56.0, 52.0, 4.5, -39.0, -49.0, -77.0, -7.5, 70.5, 62.5]

PROBLEM: [5, -55, -49, 11, -78, -10, -49, -46]

SOLUTION:
[-25.0, -52.0, -19.0, -33.5, -44.0, -29.5, -47.5]