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

Output: [4.5, 9.0, 12.0]


Input: Consider Input: [79, 37]

Output: [58.0]


Input: Consider Input: [97, -75, 58, 16]


Output: [11.0, -8.5, 37.0]