Blog Part II

import random
print("学号\t\t姓名\tjava\tC语言\tPython\t平均成绩\t")
name=["小白","小黄",'小王','小陈','小明']
str=[]
strj=[]
strc=[]
strp=[]
for i in range(5):
    X = 20170000+random.randint(0, 9999)
    Java = random.randint(60, 100)
    strj.append(Java)
    C = random.randint(60, 100)
    strc.append(C)
    Py = random.randint(60, 100)
    strp.append(Py)
    Avg=(Java+C+Py)/3
    str.append(Avg)
    print("%d\t%s\t%d\t%d\t%d\t%.1f"%(X,name[i],Java,C,Py,Avg))
print("Java平均成绩：")
java=strj[1]+strj[2]+strj[3]+strj[4]+strj[0]
print(java/5)
print("C语言平均成绩：")
c=strc[1]+strc[2]+strc[3]+strc[4]+strc[0]
print(c/5)
print("Python平均成绩：")
py=strp[1]+strp[2]+strp[3]+strp[4]+strp[0]
print(py/5)
Max=max(str)
Min=min(str)
print("平均成绩最大值：%.1f 平均成绩最小值：%.1f"%(Max,Min))

import sys
try:
    while True:
        money = input("请输入一个输入人民币（用￥表示）或美元（用$表示）的金额（汇率6:1）：")
        if money[0] in ['￥']:
            USD = eval(money[1:]) / 6
            print("换算后：${:.2f}".format(USD))
        elif money[0] in ['$']:
            CNY = 6.36 * eval(money[1:])
            print("换算后：￥{:.2f}".format(CNY))
        else:
            sys.exit()
except:
    print("异常，请先输入￥或$")