u012857674的博客

星号三角形 I 描述读入一个整数N，N是奇数，输出由星号字符组成的等边三角形，要求：第1行1个星号，第2行3个星号，第3行5个星号，依次类推，最后一行共N的星号。 输入示例1：3 输出示例2： * ***num=eval(input())n=int(num/2)+1#计算行数m=1#初始第一行星星数，以后逐行+2个星星for i in range(n): space=(num-m)//2...

#HollandRadarDrawimport numpy as npimport matplotlib.pyplot as pltimport matplotlibmatplotlib.rcParams['font.family']='SimHei'radar_labels = np.array(['研究型(I)','艺术型(A)','社会型(S)',\ ...

#CrawUnivRankingB.pyimport requestsfrom bs4 import BeautifulSoupimport bs4 def getHTMLText(url): try: r = requests.get(url, timeout=30) r.raise_for_status() r.encoding...

功能描述目标：获取上交所和深交所所有股票的名称和交易信息股票数据是进行量化交易的基础型数据，此爬虫也能为量化交易提供获得基础数据的方法输出：保存到文件中技术路线：requests‐bs4‐re候选数据网站的选择新浪股票：http://finance.sina.com.cn/stock/百度股票：https://gupiao.baidu.com/stock/选取原则：股票信息静态存在于HTML页面中...

#TextProBarV3.pyimport timescale = 50    #进度条总长度print("执行开始".center(scale//2, "-"))start = time.perf_counter()     #time库的perf_counter方法实现获取系统时间，精确到微秒for i in range(scale+1): a = '*' * i ...

#GovRptWordCloudv1.pyimport jiebaimport wordcloudf = open("新时代中国特色社会主义.txt", "r", encoding="utf-8") t = f.read()f.close()ls = jieba.lcut(t) txt = " ".join(ls)w = wordcloud.WordCloud( \ w...

#AutoTraceDraw.pyimport turtle as tt.title('自动轨迹绘制') #窗口名称t.setup(800, 600, 0, 0) #窗口尺寸t.pencolor("red")t.pensize(5)#数据读取datals = []f = open("data.txt")    #打开文件f，并附句柄为ffor line in f:    #逐行遍...

#CalHamletV1.py#英文统计程序def getText(): txt = open("hamlet.txt", "r").read() txt = txt.lower() for ch in '!"#$%&()*+,-./:;<=>?@[\\]^_‘{|}~': txt = txt.replace(ch, " ") #将...

#CalStatisticsV1.pydef getNum(): #获取用户不定长度的输入 nums = [] iNumStr = input("请输入数字(回车退出): ") while iNumStr != "": nums.append(eval(iNumStr)) iNumStr = input("请输入数字(回车退出)...

#KochDrawV1.pyimport turtledef koch(size, n): if n == 0: turtle.fd(size) else: for angle in [0, 60, -120, 60]: turtle.left(angle) koch(size/3, n-1)def ...

#SevenDigitsDrawV2.pyimport turtle, timedef drawGap(): #绘制数码管间隔 turtle.penup() turtle.fd(5)def drawLine(draw): #绘制单段数码管 drawGap() turtle.pendown() if draw else turtle.penup() ...

#CalPiV2.pyfrom random import randomfrom time import perf_counterDARTS = 1000*1000hits = 0.0start = perf_counter()for i in range(1, DARTS+1): x, y = random(), random() dist = pow(x ** 2 ...

#CalBMIv1.pyheight, weight = eval(input("请输入身高(米)和体重(公斤)[逗号隔开]: "))bmi = weight / pow(height, 2)print("BMI 数值为：{:.2f}".format(bmi))who = ""if bmi < 18.5: who = "偏瘦"elif 18.5 <= bmi &lt...

恺撒密码 I 描述凯撒密码是古罗马凯撒大帝用来对军事情报进行加解密的算法，它采用了替换方法对信息中的每一个英文字符循环替换为字母表序列中该字符后面的第三个字符，即，字母表的对应关系如下：原文：A B C D E F G H I J K L M N O P Q R S T U V W X Y Z密文：D E F G H I J K L M N O P Q R S T U V W X Y Z A B ...

#BatchInstall.pyimport oslibs = {"numpy","matplotlib","pillow","sklearn","requests",\ "jieba","beautifulsoup4","wheel","networkx","sympy",\