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].

Ex Input:
[1, -64, 72, 62, -38, 29, -93, 75, -71, 49, -41, 33, 73]

Ex Output:
[-31.5, 4.0, 67.0, 12.0, -4.5, -32.0, -9.0, 2.0, -11.0, 4.0, -4.0, 53.0]


Ex Input:
[69, -85, -82, 75, -40, 98, -48, 27, -52, -45]

Ex Output:
[-8.0, -83.5, -3.5, 17.5, 29.0, 25.0, -10.5, -12.5, -48.5]


Ex Input:
[9, -84, 24, -65, 24, 25, -95, 10, -77, -52, -71, -41]

Ex Output:

[-37.5, -30.0, -20.5, -20.5, 24.5, -35.0, -42.5, -33.5, -64.5, -61.5, -56.0]