instruction:
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:
[-59, 35, 54, 98, 61, -21, 64, 91, -17, -70]
answer:
[-12.0, 44.5, 76.0, 79.5, 20.0, 21.5, 77.5, 37.0, -43.5]


question:
[-72, -25, -60, -27, 99, -14, -13, -78, 43, -48, -98]
answer:
[-48.5, -42.5, -43.5, 36.0, 42.5, -13.5, -45.5, -17.5, -2.5, -73.0]


question:
[-62, -13, 61, 21, 97, -25, 95, -58, -99, 64, -4, -41, 42]
answer:

[-37.5, 24.0, 41.0, 59.0, 36.0, 35.0, 18.5, -78.5, -17.5, 30.0, -22.5, 0.5]