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: [-5, -54, -100, -12, -64, 96, -48]

SOLUTION: [-29.5, -77.0, -56.0, -38.0, 16.0, 24.0]

PROBLEM: [66, -73, -61, -3, 2, -47, -91, 97, 58, -62, 81, -71, -43, -40, -65]

SOLUTION: [-3.5, -67.0, -32.0, -0.5, -22.5, -69.0, 3.0, 77.5, -2.0, 9.5, 5.0, -57.0, -41.5, -52.5]

PROBLEM: [70, 69, 66, -28, 38, 76, -97, -60, -16, -31, 86, -16, 47]

SOLUTION:
[69.5, 67.5, 19.0, 5.0, 57.0, -10.5, -78.5, -38.0, -23.5, 27.5, 35.0, 15.5]