python第三次作业——叶耀宗

作业1

import random
#引入随机数模块
xing=["小白","小黄","小王","小陈","小绿"]
print("学号\t\t\t姓名\t\tjava\tc语言\tpython\t平均成绩\t")
listj=[]
listc=[]
listp=[]
lista=[]
for i in range(5):
    #循环5次
    n = 20170000 + random.randint(0, 9999)
    j = random.randint(60, 100)
    listj.append(j)
    #放在数组最末端
    c = random.randint(60, 100)
    listc.append(c)
    p = random.randint(60, 100)
    listp.append(p)
    ave = (j + c + p) / 3
    print("%d\t%s\t\t%d\t\t%d\t\t%d\t\t%.2f" % (n, xing[i], j, c, p, ave))

ja = listj[0] + listj[1] + listj[2] + listj[3] + listj[4]
ja = ja / 5
lista.append(ja)
print("  java平均成绩：", format(ja))
ca = listc[0] + listc[1] + listc[2] + listc[3] + listc[4]
ca = ca / 5
lista.append(ca)
print(" c语言平均成绩：", format(ca))
pa = listp[0] + listp[1] + listp[2] + listp[3] + listp[4]
pa = pa / 5
lista.append(pa)
print("python平均成绩：", format(pa))
max = max(lista)
min = min(lista)
print("最大值为:{}\n最小值为{}".format(max, min))

 

作业2：

def tempconvert():
    t = input("请输入数值:")
    r = ["rmb","rmb"]
    u = ["usd","usd"]
    try:
        eval(t[3:])
    except nameerror:
        print("错误，第四位开始请输入整数")
    if t[0:3] in r:
        temp = float(t[3:])/6
        temp = "{:.2f}".format(temp)
        temp = "usd" + str(temp)
        print("结果：",temp)
    elif t[0:3] in u:
        temp = float(t[3:])*6
        temp = "{:.2f}".format(temp)
        temp = "rmb" + str(temp)
        print("结果：",temp)
    else:
        print("输入格式错误")
        return false
        return temp


tempconvert()