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: [63, -14, -65, -83, -91, 76, 14, 67, -91, 2, -40]

Output: [24.5, -39.5, -74.0, -87.0, -7.5, 45.0, 40.5, -12.0, -44.5, -19.0]


Input: Consider Input: [54, -28, -32]

Output: [13.0, -30.0]


Input: Consider Input: [-67, -47, -85, 79, 47, 80, -69, 31, 81, 20, -24, 79, -73, -26, -51]


Output: [-57.0, -66.0, -3.0, 63.0, 63.5, 5.5, -19.0, 56.0, 50.5, -2.0, 27.5, 3.0, -49.5, -38.5]