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: [-49, -26, -50, -5, -69, -4, -43, 92]

SOLUTION: [-37.5, -38.0, -27.5, -37.0, -36.5, -23.5, 24.5]

PROBLEM: [64, -46, 87, -20, -46, -57, -4, -10]

SOLUTION: [9.0, 20.5, 33.5, -33.0, -51.5, -30.5, -7.0]

PROBLEM: [-43, -94, 99, -68, -95, 55, -99, -3, -82, -80]

SOLUTION:
[-68.5, 2.5, 15.5, -81.5, -20.0, -22.0, -51.0, -42.5, -81.0]