原文：CallmeZhanDodge出处：想想吧链接：https://segmentfault.com/a/11...文件读取f=open('index.txt',encoding='utf-8')s=f.read()print(s)f.close()filewritef=open('index.txt',mode="w",encoding='utf-8')f.write('叫我战藏隐藏n')f.write('叫我战隐1n')f.close()第三方库的安装和使用words')分词中文词序列word_cloud=wordCloud(font_path='msyh.ttc').generate('SegmentationofChinesewords')#生成词云对象word_cloud.to_file('123.png')#保存到图片类andobjectsinpython面向对象编程类Person:def__init__(self,name,sex,birthday):self.name=nameself.sex=sexself.birthday=birthdaydefsay(self,word):print(f'{self.name}said:"{word}"')zhang_san=Person('张三','男','2020202')zhang_san.say('12121')学生管理系统1.显示所有学生信息2、新建学生信息3、查询学生信息4、修改学生信息5、删除学生信息0、退出系统student_data=[{'id':123456,'name':'Tom','sex':'male','address':'Disney'},{'id':123457,'name':'Jerry','sex':'female','address':'London'},]美化展示defbeauty_list(datas):forindex,studentinenumerate(datas):print(f'序列号:{index}',end="t")print(f'Name:{student["name"]}',end="t")print(f'Gender:{student["sex"]}',end="t")print(f'address:{student["address"]}')inputnamedefinput_name():whileTrue:name=input('inputname:').strip()ifname:returnnameelse:继续选择性别defchoose_sex():print('1(male)|2(female)')n=input('choosesex')ifn=='1':return'male'else:return'female'1.显示全部学生信息defshow_all():beauty_list(student_data)2.新学生信息defcreate_student():sid=random.randint(1000,10000)name=input_name()sex=choose_sex()address=input('address:')student={'id':sid,'name':name,'sex':sex,'address':address}student_data.append(student)3.查询学生信息deffind_student():name=input_name()foriinstudent_data:ifi['name']==name:print(i)returnelse:print('Noinformationaboutthisstudent')4.修改学生信息defedit_student():name=input_name()forstudentinstudent_data：如果学生['name']==name:print(student)student['name']=input_name()student['sex']=choose_sex()student['address']=input('address:')returnelse:print('Nosuchpersonfound')5.删除学生信息defdelete_student():name=input_name()forstudentinstudent_data:ifstudent['name']==name:student_data.remove(student)returnelse:print('没有找到这样的人')whileTrue:print('''*********************欢迎使用学生管理系统1.显示所有学生信息2.新建一个学生信息3.查询学生信息4.修改学生信息5.删除学生信息0.退出系统**************************************''')op=input('请输入序号:')ifop=='1':print(student_data)show_all()elifop=='2':create_student()elifop=='3':find_student()elifop=='4':edit_student()elifop=='5':delete_student()else:print('退出系统')break原文：叫我战隐来源：Thoughts链接：https://segmentfault.com/a/11。..
