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].

[-67, -96, -7, 11]
[-81.5, -51.5, 2.0]

[-21, 13, 42, 12, 48, 35, -98, -25, -7, 21, 35, -24, -45]
[-4.0, 27.5, 27.0, 30.0, 41.5, -31.5, -61.5, -16.0, 7.0, 28.0, 5.5, -34.5]

[-24, -77, -80, -97, 30, -25, -95, 97, -92]

[-50.5, -78.5, -88.5, -33.5, 2.5, -60.0, 1.0, 2.5]