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].

[40, -65, -77]
[-12.5, -71.0]

[-42, -76]
[-59.0]

[10, 43, 34, 87, -87]

[26.5, 38.5, 60.5, 0.0]

