In this task you will be given a list of numbers and you need to find the mean (average) of that list. The mean of a list can be found by summing every number in the list then dividing the result by the size of that list. The output should be rounded to 3 decimal places.
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Question: [43.362, 111.151, 162.709, 43.974, 184.165, 238.15, 181.927]

Answer: 137.92


Question: [198.958, 97.355]

Answer: 148.156


Question: [166.821, -77.778, 60.886, -7.724, -20.848]

Answer:
24.271