python-16-3

# -*- coding: utf-8 -*-

def getAvg(name="",*cjs):
    # name 默认参数，默认是空字符串，cjs不定长参数
    # 此函数实现对输入的成绩进行排序，统计个数，求平均，然后输出
    print(f"科目名称:{name}")
    if cjs:
        cjmax = 0
        cjmin = 100
        cjsum = 0
        i = 0
        for cj in cjs:
            i = i + 1
            cjsum = cjsum + cj
            if cj > cjmax:
                cjmax = cj
            if cj < cjmin:
                cjmin = cj
        cjavg = round(cjsum/i,2)
        print(f"最高分是：{cjmax}")
        print(f"最低分是：{cjmin}")
        print(f"平均分是：{cjavg}")
    else:
        print("请输入成绩")

getAvg("语文",67,89,98,80,63,99,92,81)

# 冒泡排序函数
def pupple(list):
    #冒泡排序
    n = len(list)
    for i in range(n):
        for j in range(0,n-i-1):
            if list[j] > list[j+1]:
                list[j],list[j+1] = list[j+1],list[j]
    return list

list = [67,89,98,80,63,99,92,81]
print(pupple(list))


# 递归函数：实现斐波那契数列
def f(n):
    if n == 1 or n == 2:
        return 1
    else:
        return f(n-1)+f(n-2)

print(f(6))

# 阶乘，举例：6！=6*5*4*3*2*1   6！=6*5！
def jiecheng(n):
    if n == 1:
        return 1
    else:
        return n*jiecheng(n-1)

print(jiecheng(6))