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].
[53, 78, 46, 21, 78, 7, 50, 18, -7, -40, 55, 93, -61, -78, 12]