2.1 # lst=['asdgg','as','drtysr'] # lst2=[i.upper() for i in lst if len(i) >3 ] # print(lst2) # 2.2 # tu=[(x,y) for x in range(6) if x%2==0 for y in range(6) if y%2==0] # print(tu) # # 2.3 # M=[[1,2,3],[4,5,6],[7,8,9]] # a=[i[2] for i in M] # print(a…

class Bank { //Dictionary<long,Account> dictionary=new Dictionary<long,Account>(); DataTable table = new DataTable();//存储,储蓄账户集合 DataTable table1 = new DataTable();//存储信用账户集合 SavingAccount account = new SavingAccount();//储蓄账户类的实例化 CreditAccoun…

using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading.Tasks; namespace ATM.Day02 { class Bank { public int index; ]; public Account account = new Account(); public CreditAccount credit = new Cred…

class Card { private string name; public string Name { get { return name; } set { name = value; } } private string age; public string Age { get { return age; } set { age = value; } } private string sex; public string Sex { get { return sex; } set { s…

using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading.Tasks; namespace day1 { class PersonCard { private string name; public string Name //姓名 { get { return name; } set { name = value; } } privat…

.DataTable 实现 DataTable PersonCard = new DataTable(); //创建一个DataTable DataTable PersonCardCopy = new DataTable(); PersonCard.Columns.Add("姓名"); //添加列 名称 PersonCard.Columns.Add("年龄"); //添加列 年龄 PersonCard.Columns.Add("性别"); //添…

.Hashtable 实现 Hashtable table = new Hashtable(); while (true) { Console.WriteLine("------------------1.增加--------------------"); Console.WriteLine("------------------2.查询--------------------"); Console.WriteLine("-----------------…

.冒泡排序 Console.WriteLine("对集合里的数进行排序,请输入第一个数:"); int a = int.Parse(Console.ReadLine()); Console.WriteLine("对集合里的数进行排序,请输入第二个数:"); int b = int.Parse(Console.ReadLine()); Console.WriteLine("对集合里的数进行排序,请输入第三个数:"); int c = int.Par…

题一:九九乘法表的答案 //正三角 ; i < ; i++) { ; j <= i; j++) { Console.Write("{0}*{1}={2} ", j, i, i * j); } Console.WriteLine(); } Console.ReadLine(); //倒三角 ; i >= ; i--) { ; j--) { Console.Write("{0}*{1}={2} ", i, j, i * j); //不换行 } Cons…

题一答案: Console.WriteLine("请输入a"); int a = Convert.ToInt32(Console.ReadLine()); Console.WriteLine("请输入b"); int b = Convert.ToInt32(Console.ReadLine()); Console.WriteLine("请输入c"); int c = Convert.ToInt32(Console.ReadLine()); ; 写…