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: [-99, 43, 6, 55, 74, -46, 24, -6, -51, 47, 32]

SOLUTION: [-28.0, 24.5, 30.5, 64.5, 14.0, -11.0, 9.0, -28.5, -2.0, 39.5]

PROBLEM: [-74, -2]

SOLUTION: [-38.0]

PROBLEM: [-10, 19]

SOLUTION:
[4.5]