def average(a): count=0 for i in a: count+=i average=count/len(a) return average #平均值 def compare(a,size): if size<2: return a else: for i in range(size-1): if a[i]>a[i+1]: t = a[i] a[i] = a[i+1] a[i+1] = t compare(a,size-1) #冒泡排序 def search_middle(a): if len(a)%2==1: #如果序列是奇数 mid= len(a)//2 return a[mid] else: mid1=len(a)/2 #序列是偶数 mid2=len(a)/2-1 mid=(a[mid1]+a[mid2])/2 return mid #计算中位数
python 小函数
最新推荐文章于 2024-05-27 20:12:39 发布