Calculate average #32
Description
https://www.codewars.com/kata/calculate-average/
題目
Write function avg which calculates average of numbers in given list.
寫一個函式計算數字列表中數字平均值
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https://www.codewars.com/kata/calculate-average/
Write function avg which calculates average of numbers in given list.
寫一個函式計算數字列表中數字平均值