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: [-18, -74, -7, 59, -76, -57, -99, 65]

Output: [-46.0, -40.5, 26.0, -8.5, -66.5, -78.0, -17.0]


Input: Consider Input: [-89, 26, -64, -96, 40, -90, -88]

Output: [-31.5, -19.0, -80.0, -28.0, -25.0, -89.0]


Input: Consider Input: [-18, 97, 89, -87, -59]


Output: [39.5, 93.0, 1.0, -73.0]