Python程序设计-AI辅助编程习题答案汇 第1-10章

1.print("HelloWorld!")2.name=input("inputyourname:")print("你好，",name)1.str="ABCDE"#（1）foriinstr:print(i,end="")print("E")#（2）foriinstr:print(i,end=",")print("E")#（3）foriinstr:print(i,end="-")print("E")2.F=int(input("输入摄氏温度:"))C=(F*(9/5))+32print("华氏温度是{}".format(C))3.sale=float(input("商品价格:"))discount=float(input("折扣:"))new_sale=sale*(1-discount/100)print("折扣后价格{:.2f}，节省金额{:.2f}".format(new_sale,sale-new_sale))1.print("输入圆的半径")r=float(input())PI=3.14area=PI*r*r#计算圆的面积print("圆的面积：",end="")print(round(area,2))2.print("输入两个数据，后一个数据不能为0")x,y=eval(input())print("{}+{}={}".format(x,y,x+y))print("{}-{}={}".format(x,y,x-y))print("{}*{}={}".format(x,y,x*y))print("{}/{}={}".format(x,y,x/y))3.r=5h=10PI=3.14V=PI*r*r*hprint("半径为5cm,高为10cm的圆柱体体积:",end="")print(V)4.h=100g=10t=pow((h*2)/g,0.5)print("从高度为100m自由下落，落到地面所需时间:{}秒".format(round(t,3)))s=0.5*g*3*3print("从高度为100m自由下落，前3秒内下落的垂直距离:{}米".format(round(s,3)))5.importmathprint("输入第一个整数")M=int(input())print("输入第二个整数")N=int(input())M_N_gcd=math.gcd(M,N)M_N_lcm=(M*N)//M_N_gcdprint("{},{}的最大公约数:{},最小公倍数:{}".format(M,N,M_N_gcd,M_N_lcm))1.distance,wait_time=input().split()distance=int(distance)wait_time=int(wait_time)if(distance<=3):cost=13elif(distance<=15):cost=13+2.3*(distance-3)else:cost=13+2.3*12+2.3*1.5*(distance-15)if(wait_time>0):cost=cost+wait_time*1print("费用:{:.2f}".format(cost))2.x,y=eval(input())ifx>0:ify>0:print("({},{})属于第一象限".format(x,y))else:print("({},{})属于第四象限".format(x,y))else:ify>0:print("({},{})属于第二象限".format(x,y))else:print("({},{})属于第三象限".format(x,y))3.forninrange(100,1000):x=n//100y=(n//10)%10z=n%10if(x**3+y**3+z**3==n):print(n,end=",")4.mportmatha,b=input().split()a=float(a)b=float(b)c=int(input())d=(b-a)/cs=0foriinrange(c):x=math.fabs(math.sin(a))a=a+dy=math.fabs(math.sin(a))z=(x+y)*d/2s=s+zprint("{}".format(s))5.importmaththreshold=float(input())i=0fac=math.factorial(i)sum=0test_condiction=1/facwhile(test_condiction>threshold):sum=sum+test_condictioni=i+1;fac=math.factorial(i)test_condiction=1/facprint("{}".format(sum))6.month_n=int(input())a=1b=1foriinrange(3,month_n+1):a,b=b,a+bprint("第{}月份兔子的总对数{}".format(month_n,b))7.print("以空格分隔的两个整数(若两个数均为0，则结束运算):")while(True):try:x,y=map(int,input().split())if(x==0andy==0):breakelse:print("{}+{}={}".format(x,y,x+y))exceptValueError:print("输入以空格分隔的两个整数(若两个数均为0，则结束运算):")1.print("输入一个字符串")str_a=input()print("输入另一个字符串")str_b=input()ls_a=list(str_a)ls_b=list(str_b)print(ls_a+ls_b)print(ls_a*3)print(ls_b[2],ls_b[-1])print(ls_a[1:5])print("{},{}".format(len(ls_a),len(ls_b)))print("{},{}".format(min(ls_a),max(ls_b)))2.print("输入15位身份证号")str_old_id=input()str_new_id=str_old_id[0:6]print(str_new_id)year=int(str_old_id[6:8])if(year<=5):str_new_id=str_new_id+"20"+str_old_id[6:16]else:str_new_id=str_new_id+"19"+str_old_id[6:16]print(str_new_id)weight=[7,9,10,5,8,4,2,1,6,3,7,9,10,5,8,4,2]check_code=['1','0','X','9','8','7','6','5','4','3','2']sum=0foriinrange(17):a=int(str_new_id[i])sum=sum+a*weight[i]str_new_id=str_new_id+check_code[sum%11]print("newid:",str_new_id)3.print("输入若干个整数")ls_x=input().split("")print("再输入若干个整数")ls_y=input().split("")ls_xy=ls_x+ls_yls_xy=list(map(int,ls_xy))ls_xy.sort(reverse=True)print(ls_xy)4.string=input() char=input() count=string.count(char) print("{}出现{}次".format(char,count))5.k=int(input())ls=list(range(1,21))ifk<=0ork>=21:print("Dataerror!")else:whilelen(ls)>=k:ls=ls[k:]+ls[:k-1]print("尚未出列的序号{}".format(ls))6.score=list(map(int,input().split()))minscore=min(score)maxscore=max(score)print("最低分:{}".format(minscore))print("最高分:{}".format(maxscore))7.user_information=[["aaa","123456"],["bbb","888888"],["ccc","333333"]]print("输入用户名:")user_name=input()print("输入密码:")user_password=input()i=0j=0lens=len(user_information)while(i<lens):if(user_name==user_information[i][0]):if(user_password==user_information[i][1]):print("Success")else:print("Fail")break;else:i=i+1else:print("WrongUser")1.word1=input()word2=input()set1=set(word1)set2=set(word2)result=set1&set2ifresult:print("有重复")else:print("无重复")2.dic={'admin':'123456','administrator':'12345678','root':'password'}error_num=0whileerror_num<3:username=input()password=input()ifusernameindic.keys()andpassword==dic[username]:print("登录成功")breakelse:print("登录失败")error_num+=13.info={"云":"雨","雪":"风","沿":"革","异":"同","贫":"富","塞":"通","春":"夏","秋":"冬","明":"暗","淡":"浓","雨":"云","风":"雪","革":"沿","同":"异","富":"贫","通":"塞","夏":"春","冬":"秋","暗":"明","浓":"淡",}char=input()ifcharininfo:print("{}对{}".format(char,info[char]))else:print("查无此单字对")4.en_name=list(input("请输入英文人名（用逗号分隔）：").split(","))output_en_name=en_nameMySet=set(en_name)fornameinoutput_en_name:ifnameinMySet:print("{}".format(name),end="")MySet.remove(name)5.in_string=list(input("请输入字符串："))out_set=set(in_string)out_set=sorted(out_set)out_string=""forcinout_set:out_string=out_string+cprint(out_string)1.deffac_sum(n=1):sum=0fac=1#0!foriinrange(1,n+1):fac=i*fac#n!=n*(n-1)!sum=sum+facreturn(sum)if__name__=='__main__': n=int(input()) print(fac_sum(n))2.importmathdefprim(n):if(n==1):return0x=int(math.sqrt(n))foriinrange(2,x+1):if(n%i==0):return0else:return1n=int(input())flag=prim(n)if(flag==1):print("{}是素数".format(n))else:print("{}不是素数".format(n))3.defwarn(n):if(n>=40):print("红色预警")elif(n>=37):print("橙色预警")elif(n>=35):print("黄色预警")else:print("")n=int(input())#输入一个气温warn(n)4.defFibonacci(n):if(n==1orn==2):return1else:return(Fibonacci(n-1)+Fibonacci(n-2))n=int(input())print(Fibonacci(n))5.max_num=lambdax,y,z:max(x,y,z)a,b,c=map(int,(input().split()))print(max_num(a,b,c))6.importmathdeflcm(x,y):gcd=math.gcd(x,y)return((x*y)//gcd)a,b=map(int,input().split())print(lcm(a,b))7.defjudge_capital(c):ifcin"ABCDEFGHJIKLMNOPQRSTUVWXYZ":return1else:return0defcount_capital(string):capital_num=0forcinstring:if(judge_capital(c)):capital_num+=1return(capital_num)string_in=input()print(count_capital(string_in))8.i=0n=0defdummy():i=0print(i,end="")i+=1defdummy2():globalnprint(n,end="")n+=1print('函数内部的同名变量')foriinrange(5):print(i,end="")dummy()i+=1print('\nglobal声明同名变量')forkinrange(5):print(n,end="")dummy2()n+=101.My_dict={}withopen('IDcode.txt','r',encoding='utf-8')asf:forlineinf:key=line[0:6]value=line[7:len(line)-1]My_dict[key]=valueid=input("你的身份证号的前6位：")area_id=id[0:4]+"00"ifarea_idinMy_dict:print("江西省"+My_dict[area_id]+""+My_dict[id])else:print("在江西省内无此行政区")2.withopen('fruit.txt','r',encoding='utf-8')asf:max_value=0max_fruitname=""forlineinf:data=line.split()if(int(data[1])>max_value):max_value=int(data[1])max_fruitname=data[0]print(max_fruitname)3.score=[]#创建空列表，准备存放文件中的数据#打开文件，读取原文件内容并放入列表中withopen('北京高校名录.csv','r')asdata:forlineindata:line=line.strip()score.append(line.split(','))title=score[0]score=score[1:]print("输入学校名称(输入N或n结束查询）：")school_name=input()while(True):if(school_namein('N','n')):breakelse:forlineinscore:if(line[1]==school_name):foriinrange(len(title)):print("{}:{}".format(title[i],line[i]))breakelse:print("北京市无此高校！")print("输入学校名称(输入N或n结束查询）：")school_name=input()4.importcsvimportjsoncsv_file='成绩单带表头.csv'json_file='成绩单带表头.json'data=[]withopen(csv_file,'r',newline='',encoding='utf-8')asfile:reader=csv.DictReader(file)forrowinreader:data.append(row)withopen(json_file,'w',encoding='utf-8')asfile:json.dump(data,file,ensure_ascii=False,indent=4)1.classRectangle:def__init__(self,height,width):self.height=heightself.width=widthdefarea(self):returnself.height*self.widthrectangle=Rectangle(5,10)area=rectangle.area()print("矩形的面积为：",area)2.classRectangle:def__init__(self,height,width):self.height=heightself.width=widthdefarea(self):returnself.height*self.widthclassSquare(Rectangle):def__init__(self,height):self.height=heightself.width=heightdefarea(self):returnself.height*self.widthsquare=Square(5)area=square.area()print("正方形的面积为：",area)3.classStudent:"""学生类，存储个人信息和成绩"""def__init__(self,student_id,name):self.student_id=student_id=nameself.grades={}#存储课程成绩，格式:{课程名:分数}defadd_grade(self,course,score):"""添加或更新课程成绩"""self.grades[course]=scoredefget_average(self):"""计算平均成绩"""ifnotself.grades:return0returnsum(self.grades.values())/len(self.grades)def__str__(self):returnf"学号:{self.student_id},姓名:{},平均成绩:{self.get_average():.1f}"classGradeManager:"""成绩管理类，管理多个学生"""def__init__(self):self.students={}#存储学生，格式:{学号:学生对象}defadd_student(self,student):"""添加学生"""ifstudent.student_idnotinself.students:self.students[student.student_id]=studentreturnf"添加成功:{}"returnf"错误:学号{student.student_id}已存在"defget_student(self,student_id):"""查询学生"""returnself.students.get(student_id,None)defshow_all_students(self):"""显示所有学生信息"""ifnotself.students:return"暂无学生信息"return"\n".join(str(s)forsinself.students.values())#使用示例if__name__=="__main__":#创建成绩管理器manager=GradeManager()s1=Student(101,"张")s2=Student(102,"李四")print(manager.add_student(s1))print(manager.add_student(s2))s1.add_grade("数学",90)s1.add_grade("英语",85)s2.add_grade("数学",88)s2.add_grade("英语",92)print("\n所有学生信息:")print(manager.show_all_students())print("\n查询学生101:")print(manager.get_student(101))1.importnumpyasnpimportmatplotlib.pyplotaspltx=np.linspace(0,2*np.pi,1000)y=np.sin(x)plt.plot(x,y)plt.title("SineFunction")plt.xlabel("x")plt.ylabel("sin(x)")plt.grid(True)plt.show()2.importmatplotlib.pyplotaspltdata={}withopen("score.txt","r")asfile:lines=file.readlines()forlineinlines:category,count=line.strip().split(",")data[category]=int(count)categories=list(data.keys())counts=list(data.values())plt.pie(counts,labels=categories,autopct='%1.1f%%',textprops=dict(fontsize=14,color='black'))plt.title("ScoreDistribution")plt.rcParams['font.sans-serif']=['Simhei']plt.axis('equal')plt.show()3.importnumpyasnpimportmatplotlib.pyplotaspltread_temperatures=np.genfromtxt('某月温度.txt',str,delimiter=',',encoding='utf-8')print(read_temperatures)dates=read_temperatures[1:,0]high_temperatures=read_temperatures[1:,1].astype(int)low_temperatures=read_temperatures[1:,2].astype(int)plt.plot(dates,high_temperatures,'bo-',label="HighTemperature")plt.plot(dates,low_temperatures,'r*--',label="LowTemperature")plt.xlabel("Date")plt.ylabel("Temperature(℃)")plt.title("TemperaturePlotoftheMonth")plt.legend()plt.xticks(rotation=45)plt.tight_layout()plt.show()4.importnumpyasnpimportmatplotlib.pyplotaspltdataA=np.loadtxt('NBA.txt',str,delimiter=',',encoding='utf-8')dataB=dataA[1:,0:]players=[row[0]forrowindataB]categories=(dataA[0,1:])numeric_data=np.array(dataB[0:,1:],dtype=float)max_num=np.amax(numeric_data,axis=0)numeric_data=np.divide(numeric_data,max_num)angles=np.linspace(0,2*np.pi,len(categories),endpoint=Fals