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: [40, 71, -1, -56, -2, 41, 15, -55, -62, 64, 100]

SOLUTION: [55.5, 35.0, -28.5, -29.0, 19.5, 28.0, -20.0, -58.5, 1.0, 82.0]

PROBLEM: [60, 91, 22, -94, -97, -3, -34, -62, -88, -42, 22, -93, -33, -19]

SOLUTION: [75.5, 56.5, -36.0, -95.5, -50.0, -18.5, -48.0, -75.0, -65.0, -10.0, -35.5, -63.0, -26.0]

PROBLEM: [67, -14, -20, 68, 50, -45, 75, 15]

SOLUTION:
[26.5, -17.0, 24.0, 59.0, 2.5, 15.0, 45.0]