第一问txt=open("命运.txt","r").read()for ch in"，。
？：":txt=txt.replace(ch,"")d = {}for ch in txt:d[ch]=d.get(ch,0)+1ls=list(d.items())ls.sort(key=lambda x:x[1],reverse=True)a,b=ls[0]print("{}:{}".format(a,b))第二问txt=open("命运.txt","r").read()for ch in '\n':txt=txt.replace(ch,"")d = {}for ch in txt:d[ch]=d.get(ch,0)+1ls = list(d.items())ls.sort(key=lambda x:x[1], reverse=True) # 此行可以按照词频由高到低排序for i in range(10):print(str(ls[i])[2],end="")第三问txt=open("命运.txt","r").read()for ch in ' \n':txt=txt.replace(ch,"")d = {}for ch in txt:d[ch]=d.get(ch,0)+1ls = list(d.items())ls.sort(key=lambda x:x[1], reverse=True) # 此行可以按照词频由高到低排序string=""for i in range(len(ls)):s=str(ls[i]).strip("()")string=string+s[1]+':'+s[5:]+','f=open("命运-频次排序.txt","w")f.write(string)f.close()第一问fi=open("sensor.txt","rb")fo=open("earpa001.txt","wt")for line in fi:ls=str(line,encoding="utf-8").strip(' \r\n').split(',')if ls[1].count("earpa001")>0:fo.write('{},{},{},{}\n'.format(ls[0],ls[1],ls[2],ls[3])) fi.close()fo.close()第二问f=open("earpa001.txt","r")fo=open("earpa001_count.txt","w")d = {}for line in f:t=line.strip(' \n').split(',')s=t[2]+'-'+t[3]d[s]=d.get(s,0)+1ls = list(d.items())ls.sort(key=lambda x:x[1], reverse=False) # 该语句用于排序for i in range(len(ls)):a,b=ls[i]fo.write('{},{}\n'.format(a,b))f.close()fo.close()第一问fi = open("论语.txt", "r")fo = open("论语-原文.txt", "w")a=0for line in fi:if a==1 and line.count("【注释】")==0 and line.count("【原文】")==0: line = line.strip(" \n")if line.strip():#判断line是否为空串fo.write('{}\n'.format(line))if line.count("【原文】")>0:a=1if line.count("【注释】")>0:a=0fi.close()fo.close()第二问fi = open("论语-原文.txt", "r")fo = open("论语-提纯原文.txt", "w")for line in fi:for k in range(100):#可以打开给定文件看一下最大值line=line.replace('('+str(k)+')','')fo.write(line)fi.close()fo.close()第一问f=open("py301-sunsign.csv","r")x=input("请输入星座中文名称（例如，双子座）")ls = []for line in f:ls.append(line.strip('\n').split(','))for row in ls:if row[1].count(x)>0:print("{}的生日位于{}-{}之间".format(x,row[2],row[3])) f.close()第二问f=open("py301-sunsign.csv","r")x=input("请输入星座序号（例如，5）：")ls = []for line in f:ls.append(line.strip('\n').split(','))num=x.split()for i in num:for row in ls:if row[0]==i:if len(row[2])==3:m1=row[2][0]d1=row[2][1:3]else:m1=row[2][0:2]d1=row[2][2:4]if len(row[3])==3:m2=row[3][0]d2=row[3][1:3]else:m2=row[3][0:2]d2=row[3][2:4]print("{}({})的生日是{}月{}日至{}月{}日之间".format(row[1],row[4],m1,d1,m2,d2))f.close()第三问f=open("py301-sunsign.csv",'r')ls = []for line in f:ls.append(line.strip(' \n').split(','))f.close()x=input("请输入星座序号（例如，5）：")num=x.strip(' \n').split()for i in num:if 0<int(i)<len(ls):#文件中有标题行，所以ls中多一行for row in ls:if row[0]==i:m1=row[2][0] if len(row[2])==3 else row[2][0:2]d1=row[2][1:3] if len(row[2])==3 else row[2][2:4]m2=row[3][0] if len(row[2])==3 else row[3][0:2]d2=row[3][1:3] if len(row[2])==3 else row[3][2:4]print("{}({})的生日是{}月{}日至{}月{}日之间”.Format (row[1],row[4],m1,d1,m2,d2))else:print("输入星座序号有误！”)import jiebaf = open('data.txt','r')lines = f.readlines()f.close()f = open('out.txt','w')for line in lines:line = line.strip(' ') #删除每行首尾可能出现的空格wordList = jieba.lcut(line) #用结巴分词，对每行内容进行分词f.writelines('\n'.join(wordList)) #将分词结果存到文件out.txt中f.close()第二问import jiebaf = open('out.txt','r') #以读的方式打开文件words = f.readlines()f.close()D={}for w in words: #词频统计D[w[:-1]]=D.get(w[:-1],0) + 1print("曹操出现次数为:{} ".format(D["曹操"]))import jiebaf = open('data.txt','r')lines=f.readlines()f.close()D=[]for line in lines:wordList=jieba.lcut(line)#用结巴分词，对每行内容进行分词for word in wordList:if len(word)<3: #判断词长度，要大于等于3个长度continueelse:if word not in D:D.append(word)f=open('out1.txt','w')f.writelines('\n'.join(D))f.close()第二问import jiebaf=open("data.txt","r")lines=f.readlines()f.close()d = {}for line in lines:wordList=jieba.lcut(line) #用结巴分词，对每行内容进行分词for word in wordList:if len(word)<3:continueelse:d[word]=d.get(word,0)+1ls=list(d.items())ls.sort(key=lambda x:x[1],reverse=True)#按照词频由高到低排序f=open('out2.txt','w')for i in range(len(ls)):f.write('{}:{}\n'.format(ls[i][0],ls[i][1]))f.close()f=open("score.txt","r")lines=f.readlines()f.close()D=[] #单个学生的数据L=[] #L中的元素是学生原始成绩和总成绩for line in lines:D=line.split()s=0 #每个学生的总成绩初始值for i in range(10):s+=int(D[i+2]) #各科成绩累加求和，+2是因为前两个元素是学号和姓名D.append(s)L.append(D)L.sort(key=lambda x:x[-1],reverse=True) #按学生总成绩从大到小排序f=open('candidate0.txt','w')for i in range(10): #取前十个学生数据for j in range(len(L[i])): #一个学生的各项数据f.write('{} '.format(L[i][j])) #写各项数据，用空格隔开f.write('\n') #换行f.close()第二问'''输入文件：candidate0.txt输出文件：candidate.txt'''f=open("candidate0.txt",'r')lines=f.readlines()f.close()D=[]f=open('candidate.txt','w')for line in lines:D=line.split()for i in range(10):if int (D[i+2])<0:breakelse:f.write('{}{}\n'.format(D[0],D[1]))f.close()f=open("data.txt","r")lines=f.readlines()f.close()f = open("univ.txt", "w")for line in lines:if 'alt' in line: #判断是否有alt,若有则用'alt'分割，分割后再用'"'分割dx=line.split('alt=')[-1].split('"')[1]f.write('{}\n'.format(dx))f.close()第二问n = 0m=0f = open("univ.txt", "r")lines=f.readlines()f.close()for line in lines:if '大学生' in line:continueelif '大学' in line:print('{}'.format(line))n+=1elif '学院' in line:print('{}'.format(line))m+=1print("包含大学的名称数量是{}".format(n)) print("包含学院的名称数量是{}".format(m))。
