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: [-77, 76, 21, 100, 19]

Answer: [-0.5, 48.5, 60.5, 59.5]


Question: [53, 31, -29, -24, -48, -61, 95, -72, -49, 48, 4, -5, -43, -46]

Answer: [42.0, 1.0, -26.5, -36.0, -54.5, 17.0, 11.5, -60.5, -0.5, 26.0, -0.5, -24.0, -44.5]


Question: [68, -12, -99, 37, 51, 83, 73, -27, 33, 34, 53, 56]

Answer:
[28.0, -55.5, -31.0, 44.0, 67.0, 78.0, 23.0, 3.0, 33.5, 43.5, 54.5]