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: [1, -64, 72, 62, -38, 29, -93, 75, -71, 49, -41, 33, 73]

Output: [-31.5, 4.0, 67.0, 12.0, -4.5, -32.0, -9.0, 2.0, -11.0, 4.0, -4.0, 53.0]


Input: Consider Input: [83, -58]

Output: [12.5]


Input: Consider Input: [-20, -72, -52, 9, 98, -64, -51, 68, 14, -48, -29]


Output: [-46.0, -62.0, -21.5, 53.5, 17.0, -57.5, 8.5, 41.0, -17.0, -38.5]