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from math import pi as P from os.path import getsize from random import choice from itertools import * import math r = 3 print(round(Prr,2)) print(cho 阅读全文
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##测试 class Animal { public virtual void shout() { Console.WriteLine("动物叫!"); } } class Dog : Animal { public override void shout() { base.shout(); Con 阅读全文
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namespace DBR { class Program { static void Main(string[] args) { /* * byte b = 3; b =(byte)(b+4); Console.WriteLine("b="+b); Console.ReadKey(); /* in 阅读全文
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using System; using System.Collections.Generic; using System.Linq; using System.Text; namespace Hello_World { class Program { static void Main(string[ 阅读全文