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].

Input: Consider Input: [-56, 30, -70]

Output: [-13.0, -20.0]


Input: Consider Input: [56, -80, -51, -27, -97, 98, 99, -25, -55, 99, -9, -66, -83, 38, -95]

Output: [-12.0, -65.5, -39.0, -62.0, 0.5, 98.5, 37.0, -40.0, 22.0, 45.0, -37.5, -74.5, -22.5, -28.5]


Input: Consider Input: [32, -95, 75, 4, -66]


Output: [-31.5, -10.0, 39.5, -31.0]