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].
--------
Question: [83, -58]

Answer: [12.5]


Question: [91, 3, -59, 63]

Answer: [47.0, -28.0, 2.0]


Question: [20, 58, 50, -22, 56, -44, -19, 100, -77, -28, 59, 2]

Answer:
[39.0, 54.0, 14.0, 17.0, 6.0, -31.5, 40.5, 11.5, -52.5, 15.5, 30.5]