W3School TIY Editor

# 导入统计库 import statistics # 计算数据样本的方差 print(statistics.variance([1, 3, 5, 7, 9, 11])) print(statistics.variance([2, 2.5, 1.25, 3.1, 1.75, 2.8])) print(statistics.variance([-11, 5.5, -3.4, 7.1])) print(statistics.variance([1, 30, 50, 100]))