204 lines
7.7 KiB
Python
204 lines
7.7 KiB
Python
# ==============================================================================
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# 通过 D:\文档\电子文档\个人\脚本库\PythonScript\第6章.py + 题号 运行
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# 程序名：
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# 第6章习题
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# 目的:
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#
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# 修订记录:
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# 日期 编程者 改动描述
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# =================== ============= =====================================
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# 2021-07-26 13:52:58 Sola 6-1 打印歌曲“Old MacDonald”的歌词
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# 2021-07-26 16:21:07 Sola 6-2 略
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# 2021-07-26 16:21:16 Sola 6-3 给定球体半径，求表面积和体积
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# 2021-07-26 16:28:27 Sola 6-4 计算前N个自然数的和、立方和
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# 2021-07-26 16:35:53 Sola 6-5 披萨饼单价
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# 2021-07-26 18:32:19 Sola 6-6 三角形面积
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# 2021-07-26 18:32:42 Sola 6-7 斐波纳契数
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# 2021-07-26 18:35:29 Sola 6-8 平方根估计
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# 2021-07-26 18:42:07 Sola 6-9 返回分数字母等级
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# 2021-07-26 18:47:48 Sola 6-10 返回首字母缩略词
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# 2021-07-26 18:55:52 Sola 6-11 返回列表数字平方
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# 2021-07-26 21:42:06 Sola 6-12 返回数字列表的和
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# 2021-07-26 18:56:18 Sola 6-13 将字符串列表转化为数字
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# 2021-07-26 21:44:27 Sola 6-14 从文件读取数字计算平方和
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# 2021-07-27 00:52:48 Sola 6-15 显示简单笑脸
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# 2021-07-27 00:53:05 Sola 6-16 给图片点选加笑脸
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# 2021-07-27 00:53:21 Sola 6-17 移动图形到点选位置
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from graphics import GraphWin
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def test6_1():
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def print_Old_MacDonald(animal, barking):
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print("Old MacDonald had a farm, Ee-igh, Ee-igh, Oh!\n" +
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"And on that farm he had a {0}, Ee-igh, Ee-igh, Oh!\n".format(animal) +
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"With a {0}, {0} here and a {0}, {0} there.\n".format(barking) +
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"Here a {0}, there a {0}, everywhere a {0}, {0}.\n".format(barking) +
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"Old MacDonald had a farm, Ee-igh, Ee-igh, Oh!\n")
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print_Old_MacDonald("bee", "buzz")
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print_Old_MacDonald("bird", "tweet")
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print_Old_MacDonald("cat", "meow")
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print_Old_MacDonald("hen", "cluck")
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print_Old_MacDonald("cuckoo", "cuckoo")
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def test6_3():
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from math import pi
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def sphereArea(radius):
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return 4 * pi * radius ** 2
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def sphereVolume(radius):
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return 4 / 3 * pi * radius ** 3
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radius=1
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print("半径为{0}的球体，其表面积为{1:5.3f}，体积为{2:5.3f}"
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.format(radius, sphereArea(radius), sphereVolume(radius)))
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def test6_4():
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def sumN(n):
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result = 0
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for i in range(n + 1):
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result = result + i
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return result
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def sumNCubes(n):
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result = 0
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for i in range(n + 1):
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result = result + i ** 3
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return result
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n = 10
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print("前{0}位自然数的和为{1}，立方和为{2}"
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.format(n, sumN(n), sumNCubes(n)))
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def test6_5():
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def pizzaUnitPrise(r, prise):
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from math import pi
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return prise / (4 * pi * r ** 2)
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def test6_6():
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def triangleArea(a, b, c):
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from math import sqrt
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s = (a + b + c) / 2
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return sqrt(s * (s - a) * (s - b) * (s - c))
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def test6_7():
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def Fibonacci(n):
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temp = 0
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result = 1
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for i in range(n - 1):
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temp, result = result, temp + result
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return result
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print("斐波那契数列第", 10, "项为：", Fibonacci(10))
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def test6_8():
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def nextGuess(guess,x):
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result = guess / 2
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for i in range(x):
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result = (result + guess / result) / 2
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return result
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print("{0}的平方根迭代{1}次的估计值为{2:5.3f}".format(10, 10, nextGuess(10, 10)))
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def test6_9():
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def grade(score):
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grade = ["F", "F", "F", "F", "F", "F", "D", "C", "B", "A", "A"]
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return grade[int(score / 10)]
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score = float(input("请输入你的分数："))
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print("你的分数对应的等级为：{0}".format(grade(score)))
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def test6_10():
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def acronym(phrase):
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shortName = ""
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for i in phrase.split():
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shortName = shortName + i[0].upper()
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return shortName
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inputStr = input("请输入一个短语：")
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print("'{0}' 的缩写为：{1}".format(inputStr, acronym(inputStr)))
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def test6_11():
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def squareEach(nums):
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for num in range(len(nums)):
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nums[num] = nums[num] ** 2
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nums = list(range(10))
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squareEach(nums)
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print(nums)
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def test6_12():
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def sumList(nums):
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result = 0
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for num in range(len(nums)):
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result = result + nums[num]
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return result
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nums = list(range(10))
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print("列表数字的和为：{0}".format(sumList(nums)))
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def test6_13():
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def toNumbers(strList):
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for i in range(len(strList)):
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strList[i] = float(strList[i])
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convertList = ["2021", "2020", "2019", "2018"]
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print("这是转换之前的列表：{0}".format(convertList))
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toNumbers(convertList)
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print("这是转换之后的列表：{0}".format(convertList))
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def test6_14():
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from tkinter.filedialog import askopenfilename
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def sumSquare(nums):
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result = 0
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for num in range(len(nums)):
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result = result + float(nums[num]) ** 2
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return result
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print("请选择需要打开的文件：")
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nums = open(askopenfilename(), 'r').readlines()
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print("打开文件中数字的平方和为：{0}".format(sumSquare(nums)))
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def test6_15():
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from graphics import GraphWin, Text, Point
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def drawFace(center, size, win):
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face = Text(center, "笑脸")
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face.setSize(size)
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face.clone().draw(win)
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win = GraphWin("显示笑脸")
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drawFace(Point(10, 10), 10, win)
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drawFace(Point(100, 100), 36, win)
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drawFace(Point(160, 30), 30, win)
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win.getMouse()
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def test6_16():
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from graphics import GraphWin, Point, Circle, Line, Image
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from tkinter.filedialog import askopenfilename
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def drawFace(center, size, win):
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Face = Circle(center, size)
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Face.setFill('yellow')
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Face.clone().draw(win)
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Line(Point(center.getX() + size * 0.2, center.getY() + size * 0.3),
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Point(center.getX() + size * 0.5, center.getY() + size * 0.3)).draw(win)
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Line(Point(center.getX() - size * 0.2, center.getY() + size * 0.3),
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Point(center.getX() - size * 0.5, center.getY() + size * 0.3)).draw(win)
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def clickDrawFace(win):
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center = win.getMouse()
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side = win.getMouse()
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size = ((center.getX() - side.getX()) ** 2 + (center.getY() - side.getY()) ** 2) ** 0.5
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drawFace(center, size, win)
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print("请选择需要遮挡的图片，注意只支持GIF格式!")
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imageDir = askopenfilename()
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imageFile = Image(Point(0, 0), imageDir)
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imageHeight, imageWidth = imageFile.getHeight(), imageFile.getWidth()
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win = GraphWin("没脸见人系列", width=imageWidth, height=imageHeight)
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win.setCoords(-imageWidth / 2, -imageHeight / 2, imageWidth / 2, imageHeight / 2)
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imageFile.draw(win)
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times = int(input("请问需要遮挡的次数："))
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for i in range(times):
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clickDrawFace(win)
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win.getMouse()
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def test6_17():
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from graphics import GraphWin, Point, Circle
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def moveTo(shape, newCenter):
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oldCenter = shape.getCenter()
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shape.move(newCenter.getX() - oldCenter.getX(), newCenter.getY() - oldCenter.getY())
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win = GraphWin("移动图形", width=800, height=600)
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draw = Circle(Point(100, 100), 100)
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draw.draw(win)
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for i in range(10):
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moveTo(draw, win.getMouse())
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win.getMouse()
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import sys
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def run(num):
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eval("test6_" + num + "()")
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run(sys.argv[1]) |