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: [-42, -76]

Output: [-59.0]


Input: Consider Input: [55, -46, 64, -40]

Output: [4.5, 9.0, 12.0]


Input: Consider Input: [29, -15, -25, -40, -59, 73, 68, 20, 100, 78, -15]


Output: [7.0, -20.0, -32.5, -49.5, 7.0, 70.5, 44.0, 60.0, 89.0, 31.5]