标题

测试正文1
__粗体__简易换行
测试粗体和*html（斜体）*换行

斜体粗体

转义符:
*
\
_

块引用

The quarterly results look great!

Revenue was off the chart.

Profits were higher than ever.

Everything is going according to plan

列表

This is the first list item.
Here’s the second list item.

I need to add another paragraph below the second list item.

Everything is going according to plan.
And here’s the third list item.

1	npm install -g cnpm --registry=http://registry.npm.taobao.org

#include <iostream>
using namespace std;
int main()
{
    cout<<"hello world"<<endl;
    return 0;
}

import numpy as np

def f(x, y):
    return x + y    
assert (f(np.array([1, 2, 3]), np.array([4, 5, 6])) == [5, 7, 9]).all()


#include <stdio.h>

int main(void)
{
    
    printf("hello,world!");

    return 0;}

1.  Open the file.
2.  Find the following code block on lines
            
3.  图片

#include<stdio.h>

这是一个链接 ******
图片

图片链接：

$$x+y/2$$

表格

诚然，脚下的“大地”肮脏且缺乏秩序，距离那片高贵而完美的“天空”遥不可及。但是这不就意味着我们可以亲眼见证“完美”吗？人可以认知完美，地球就是完美的观测特等席

チ。
-地球の運動について-