# ==============================================================================
# 通过 D:\文档\电子文档\个人\脚本库\PythonScript\第5章.py + 题号 运行
# 程序名：
#   第5章习题
# 目的:
# 
# 修订记录:
#         日期              编程者               改动描述
# ===================   =============   =====================================
# 2021-07-23 15:52:52       Sola        5-1 简化dateconvert2，格式化时间输出
# 2021-07-23 15:57:01       Sola        5-2 分数等级转化
# 2021-07-23 16:29:47       Sola        5-3 百分制分数等级转化
# 2021-07-23 16:30:00       Sola        5-4 获取短语缩写
# 2021-07-23 16:44:47       Sola        5-5 计算输入单个名字的数值
# 2021-07-23 16:49:19       Sola        5-6 计算所有名字的数字之和
# 2021-07-23 17:02:26       Sola        5-7 简单基于Unicode的凯撒密码
# 2021-07-23 17:15:16       Sola        5-8 真正的凯撒密码
# 2021-07-23 17:53:11       Sola        5-9 计算用户输入句子的单词数
# 2021-07-23 21:59:33       Sola        5-10 计算输入句子中单词的平均长度
# 2021-07-23 22:04:15       Sola        5-11 第1章 chaos.py 改进版本
# 2021-07-23 22:22:38       Sola        5-12 第二章算终值改进版本
# 2021-07-23 22:23:03       Sola        5-13 ？
# 2021-07-23 22:23:15       Sola        5-14 统计文件的行数、单词数和字符数
# 2021-07-23 23:21:10       Sola        5-15 学生成绩统计表
# 2021-07-23 23:21:28       Sola        5-16 数字频数统计表
# 
# module start
# from graphics import *      # 引入图形库

from os import times


def test5_1():
    # get the date
    dateStr = input("Enter a date (mm/dd/yyyy): ")
    # split into components
    monthStr, dayStr, yearStr = dateStr.split("/")
    # convert monthStr to the month name
    months = ["January", "February", "March", "April",
    "May", "June", "July", "August",
    "September", "October", "November", "December"]
    monthStr = months[int(monthStr)-1]
    # output result in month day, year format
    print("The converted date is: {0} {1}, {2}".format(monthStr, dayStr, yearStr))

def test5_2():
    score = int(input("请输入你的分数："))
    grade = ["F", "E", "D", "C", "B", "A"]
    result = grade[score]
    print("你的分数对应的等级为：{0}".format(result))

def test5_3():
    score = int(float(input("请输入你的分数：")) / 10)
    grade = ["F", "F", "F", "F", "F", "F", "D", "C", "B", "A", "A"]
    result = grade[score]
    print("你的分数对应的等级为：{0}".format(result))

def test5_4():
    inputStr = input("请输入一个短语：")
    shortName = ""
    for i in inputStr.split():
        shortName = shortName + i[0].upper()
    print("'{0}' 的缩写为：{1}".format(inputStr, shortName))

def test5_5():
    name = input("请输入单个名字：").lower()
    sum = 0
    for i in name:
        sum = sum + ord(i) - 96
    print("{0} 的数值为：{1}".format(name, sum))

def test5_6():
    name = input("请输入你的名字：").lower()
    sum = 0
    for i in name.split():
        for j in i:
            sum = sum + ord(j) - 96
    print("{0} 的数值为：{1}".format(name, sum))

def test5_7():
    char = input("请输入需要加密的密文：")
    key = int(input("请输入密文的偏移位数："))
    def code(char, key):
        coding = ""
        for ch in char:
            coding = coding + chr(ord(ch) + key)
        return coding
    coding = code(char, key)
    print("{0} 编码后的密文为：{1}".format(char, coding))
    key = int(input("请输入密钥："))
    decoding = code(coding, -key)
    print("{0} 解码后的明文为：{1}".format(coding, decoding))

def test5_8():
    char = input("请输入需要加密的密文：")
    key = int(input("请输入密文的偏移位数："))
    def code(char, key):
        keyList = "abcdefghijklmnopqrstuvwxyz"
        coding = ""
        for ch in char:
            if ord(ch) <= ord("z") and ord(ch) >= ord("a"):
                coding = coding + keyList[(ord(ch) + key - ord("a")) % 26]
            elif ord(ch) <= ord("Z") and ord(ch) >= ord("A"):
                coding = coding + keyList[(ord(ch) + key - ord("A")) % 26].upper()
            else:
                coding = coding + ch
        return coding
    coding = code(char, key)
    print("{0} 编码后的密文为：{1}".format(char, coding))
    key = int(input("请输入密钥："))
    decoding = code(coding, -key)
    print("{0} 解码后的明文为：{1}".format(coding, decoding))

def test5_9():
    inputSentence = input("请输入需要统计的句子：")
    num = 0
    for ch in inputSentence.title():
        if ord(ch) <= ord("Z") and ord(ch) >= ord("A"):
            num = num + 1
    print("输入语句 {0} 中有 {1} 个单词".format(inputSentence, num))

def test5_10():
    inputSentence = input("请输入需要统计的句子：")
    num = 0
    long = 0
    for ch in inputSentence.title():
        if ord(ch) <= ord("Z") and ord(ch) >= ord("A"):
            num = num + 1
    for ch in inputSentence.lower():
        if ord(ch) <= ord("z") and ord(ch) >= ord("a"):
            long = long + 1
    print("输入语句 {0} 中每个单词的平均长度为 {1:2.1f}".format(inputSentence, long / num))

def test5_11():
    inputList = input("请输入两个初始值（用逗号分隔）：").split(",")
    init1, init2 = float(inputList[0]), float(inputList[1])
    times = int(input("请输入迭代次数："))
    print("index {0:^8.2f}      {1:^8.2f}\n------------------------------".format(init1, init2))
    for i in range(times):
        init1 = 3.9 * init1 * (1 - init1)
        init2 = 3.9 * init2 * (1 - init2)
        print("{0:<5} {1:8.6f}      {2:8.6f}".format(int(i) + 1, init1, init2))

def test5_12():
    print("This program calculates the future value of a investment.")
    principal = eval(input("Enter the principal: "))
    years = eval(input("Enter the number of years of your investment: "))
    apr = eval(input("Enter the annual interest rate: "))
    print("Year    {0:^8}\n----------------".format("Value"))
    print("{0:<4}    ${1:>7.2f}".format(0, principal))
    for i in range(years):
        principal = principal * (1 + apr)
        print("{0:<4}    ${1:>7.2f}".format(i + 1, principal))

def test5_13():
    print("？？？不玩了不玩了，没意思，再见吧您嘞！")

def test5_14():
    from tkinter.filedialog import askopenfilename
    print("请选择需要统计的文件：")
    inputFileName = askopenfilename()
    inputFile = open(inputFileName, 'r')
    print("成功打开文件：{0}".format(inputFileName))
    numLines = len(inputFile.readlines())
    print("文件中共有句子 {0} 行".format(numLines))
    numWords = 0
    numChs = 0
    inputFile = open(inputFileName, 'r')
    for ch in inputFile.read().title():
        if ord(ch) <= ord("Z") and ord(ch) >= ord("A"):
            numWords = numWords + 1
        numChs = numChs + 1
    print("文件中共有单词 {0} 个".format(numWords))
    print("文件中共有字符 {0} 个".format(numChs))

def test5_15():
    # 4
    # Computewell, 90
    # Dibblebit, 60
    # Jones, 80
    # Smith, 70
    from tkinter.filedialog import askopenfilename
    from graphics import GraphWin, Text, Rectangle, Point
    print("请选择输入的文件记录：")
    inputFile = open(askopenfilename(), 'r')
    print("成功打开文件！")
    numStudents = int(inputFile.readline())
    win = GraphWin("学生考试成绩", 800, numStudents * 30)
    for i in range(numStudents):
        infoList = inputFile.readline().split(",")
        Text(Point(95, 15 + 30 * i), infoList[0]).draw(win)
        Rectangle(Point(200, 7 + 30 * i), Point(200 + 590 * float(infoList[1]) / 100, 23 + 30 * i)).draw(win)
    win.getMouse()

def test5_16():
    # 0
    # 1
    # 2
    # 2
    # 4
    # 4
    # 4
    # 5
    # 5
    # 5
    # 5
    # 6
    # 6
    # 6
    # 6
    # 6
    # 7
    # 7
    # 7
    # 7
    # 7
    # 7
    # 7
    # 8
    # 8
    # 8
    # 9
    # 9
    # 9
    # 10
    # 10
    from tkinter.filedialog import askopenfilename
    from graphics import GraphWin, Text, Rectangle, Point
    print("请选择输入的文件记录：")
    numList = open(askopenfilename(), 'r').readlines()
    print("成功打开文件！")
    timesList = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
    for i in numList:
        timesList[int(i)] = timesList[int(i)] + 1
    win = GraphWin("数字统计", 440, 300)
    numMax = max(timesList)
    num = 0
    for i in timesList:
        Text(Point(20 + 40 * num, 285), num).draw(win)
        Rectangle(Point(10 + 40 * num, 270), Point(30 + 40 * num, 270 - 260 * i / numMax)).draw(win)
        num = num + 1
    win.getMouse()
    

import sys
def run(num):
    eval("test5_" + num + "()")
run(sys.argv[1])