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: [93, -62, -77, 30]

Output: [15.5, -69.5, -23.5]


Input: Consider Input: [70, 88, 58, -25, 49, -89, 76, -46, 59, 48, -40, -62]

Output: [79.0, 73.0, 16.5, 12.0, -20.0, -6.5, 15.0, 6.5, 53.5, 4.0, -51.0]


Input: Consider Input: [3, -38]


Output: [-17.5]