Average of a list · 列表的平均数
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Python Basics · Python 基础 · Functions · 函数 →
English
Average of a list
Return the mean of a list: the total divided by how many numbers there are.
len(nums) tells you how many items the list has. Dividing with / always gives a decimal, so the average of 1 and 2 is 1.5.
中文
列表的平均数
返回列表的平均数：总和除以数的个数。
len(nums) 告诉你列表里有多少个元素。用 / 做除法总会得到小数，所以 1 和 2 的平均数是 1.5。
Write average(nums) that returns · 返回值 the mean: the total divided by how many numbers there are. The list is never empty. · 编写 average(nums)，返回平均数：总和除以数的个数。列表不会是空的。
Click Run to see the output here. · 点击“运行”查看此处输出。