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:
[6, 12, 68, 37, 39, 100, -48]

Ex Output:
[9.0, 40.0, 52.5, 38.0, 69.5, 26.0]


Ex Input:
[-82, -15, -16, -3, 93, -84, 34, -59, 45, -32]

Ex Output:
[-48.5, -15.5, -9.5, 45.0, 4.5, -25.0, -12.5, -7.0, 6.5]


Ex Input:
[-63, -99, -56]

Ex Output:

[-81.0, -77.5]