On Python 3.4+ you can use statistics.mean() l = [15, 18, 2, 36, 12, 78, 5, 6, 9] import statistics statistics.mean(l) # 20.11111111111111. ... <看更多>

This is an excerpt from the Python Data Science Handbook by Jake VanderPlas; ... Perhaps the most common summary statistics are the mean and standard ... ... <看更多>

... <看更多>

The slice notation [1:-1] takes the elements of a list starting with the ... using Python 3.4+ you can use the statistics module, which has a mean function: ... <看更多>