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注释
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变量
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数据类型
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数字
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字符串
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数组
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布尔值
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<h1 id="_1">基本语法<a class="headerlink" href="#_1" title="Permanent link">&para;</a></h1>
<p>本教程将详细介绍 Oraset 编程语言的基本语法，包括变量、数据类型、运算符、表达式等内容。</p>
<h2 id="_2">注释<a class="headerlink" href="#_2" title="Permanent link">&para;</a></h2>
<p>Oraset 使用两种注释方式：</p>
<ul>
<li><strong>单行注释</strong>：使用 <code>!!</code> 开始</li>
<li><strong>多行注释</strong>：使用 <code>!*</code> 开始，<code>*!</code> 结束</li>
</ul>
<div class="highlight"><pre><span></span><code><a id="__codelineno-0-1" name="__codelineno-0-1" href="#__codelineno-0-1"></a>!! 这是一个单行注释
<a id="__codelineno-0-2" name="__codelineno-0-2" href="#__codelineno-0-2"></a>
<a id="__codelineno-0-3" name="__codelineno-0-3" href="#__codelineno-0-3"></a>!* 这是一个
<a id="__codelineno-0-4" name="__codelineno-0-4" href="#__codelineno-0-4"></a>多行注释 *!
</code></pre></div>
<h2 id="_3">变量<a class="headerlink" href="#_3" title="Permanent link">&para;</a></h2>
<h3 id="_4">变量声明与赋值<a class="headerlink" href="#_4" title="Permanent link">&para;</a></h3>
<p>Oraset 使用 <code>=</code> 进行变量赋值，不需要显式声明变量类型：</p>
<div class="highlight"><pre><span></span><code><a id="__codelineno-1-1" name="__codelineno-1-1" href="#__codelineno-1-1"></a>!! 变量赋值
<a id="__codelineno-1-2" name="__codelineno-1-2" href="#__codelineno-1-2"></a>name = `World`; !! 字符串
<a id="__codelineno-1-3" name="__codelineno-1-3" href="#__codelineno-1-3"></a>age = 20; !! 整数
<a id="__codelineno-1-4" name="__codelineno-1-4" href="#__codelineno-1-4"></a>pi = 3.14159; !! 浮点数
<a id="__codelineno-1-5" name="__codelineno-1-5" href="#__codelineno-1-5"></a>is_valid = true; !! 布尔值
</code></pre></div>
<h3 id="_5">变量命名规则<a class="headerlink" href="#_5" title="Permanent link">&para;</a></h3>
<ul>
<li>变量名只能包含字母、数字和下划线</li>
<li>变量名不能以数字开头</li>
<li>变量名区分大小写</li>
<li>变量名不能使用关键字（如 <code>if</code>、<code>else</code>、<code>while</code>、<code>def</code>、<code>class</code> 等）</li>
</ul>
<h3 id="_6">变量作用域<a class="headerlink" href="#_6" title="Permanent link">&para;</a></h3>
<ul>
<li><strong>全局变量</strong>：在函数外部定义的变量</li>
<li><strong>局部变量</strong>：在函数内部定义的变量</li>
</ul>
<div class="highlight"><pre><span></span><code><a id="__codelineno-2-1" name="__codelineno-2-1" href="#__codelineno-2-1"></a>!! 全局变量
<a id="__codelineno-2-2" name="__codelineno-2-2" href="#__codelineno-2-2"></a>global_var = `Global`;
<a id="__codelineno-2-3" name="__codelineno-2-3" href="#__codelineno-2-3"></a>
<a id="__codelineno-2-4" name="__codelineno-2-4" href="#__codelineno-2-4"></a>def test() {
<a id="__codelineno-2-5" name="__codelineno-2-5" href="#__codelineno-2-5"></a> !! 局部变量
<a id="__codelineno-2-6" name="__codelineno-2-6" href="#__codelineno-2-6"></a> local_var = `Local`;
<a id="__codelineno-2-7" name="__codelineno-2-7" href="#__codelineno-2-7"></a> show(global_var); !! 可以访问全局变量
<a id="__codelineno-2-8" name="__codelineno-2-8" href="#__codelineno-2-8"></a> show(local_var); !! 可以访问局部变量
<a id="__codelineno-2-9" name="__codelineno-2-9" href="#__codelineno-2-9"></a>}
<a id="__codelineno-2-10" name="__codelineno-2-10" href="#__codelineno-2-10"></a>
<a id="__codelineno-2-11" name="__codelineno-2-11" href="#__codelineno-2-11"></a>test();
<a id="__codelineno-2-12" name="__codelineno-2-12" href="#__codelineno-2-12"></a>show(global_var); !! 可以访问全局变量
<a id="__codelineno-2-13" name="__codelineno-2-13" href="#__codelineno-2-13"></a>!! show(local_var); !! 错误：无法访问局部变量
</code></pre></div>
<h2 id="_7">数据类型<a class="headerlink" href="#_7" title="Permanent link">&para;</a></h2>
<h3 id="_8">数字<a class="headerlink" href="#_8" title="Permanent link">&para;</a></h3>
<p>Oraset 支持整数和浮点数：</p>
<div class="highlight"><pre><span></span><code><a id="__codelineno-3-1" name="__codelineno-3-1" href="#__codelineno-3-1"></a>!! 整数
<a id="__codelineno-3-2" name="__codelineno-3-2" href="#__codelineno-3-2"></a>integer = 123;
<a id="__codelineno-3-3" name="__codelineno-3-3" href="#__codelineno-3-3"></a>negative = -456;
<a id="__codelineno-3-4" name="__codelineno-3-4" href="#__codelineno-3-4"></a>
<a id="__codelineno-3-5" name="__codelineno-3-5" href="#__codelineno-3-5"></a>!! 浮点数
<a id="__codelineno-3-6" name="__codelineno-3-6" href="#__codelineno-3-6"></a>float = 3.14;
<a id="__codelineno-3-7" name="__codelineno-3-7" href="#__codelineno-3-7"></a>scientific = 1.23e4; !! 12300
</code></pre></div>
<h3 id="_9">字符串<a class="headerlink" href="#_9" title="Permanent link">&para;</a></h3>
<p>Oraset 使用反引号 <code>`</code> 表示字符串：</p>
<div class="highlight"><pre><span></span><code><a id="__codelineno-4-1" name="__codelineno-4-1" href="#__codelineno-4-1"></a>!! 字符串
<a id="__codelineno-4-2" name="__codelineno-4-2" href="#__codelineno-4-2"></a>str1 = `Hello`;
<a id="__codelineno-4-3" name="__codelineno-4-3" href="#__codelineno-4-3"></a>str2 = `World`;
<a id="__codelineno-4-4" name="__codelineno-4-4" href="#__codelineno-4-4"></a>
<a id="__codelineno-4-5" name="__codelineno-4-5" href="#__codelineno-4-5"></a>!! 字符串拼接
<a id="__codelineno-4-6" name="__codelineno-4-6" href="#__codelineno-4-6"></a>combined = str1 + ` ` + str2;
<a id="__codelineno-4-7" name="__codelineno-4-7" href="#__codelineno-4-7"></a>show(combined); !! 输出: Hello World
</code></pre></div>
<h3 id="_10">数组<a class="headerlink" href="#_10" title="Permanent link">&para;</a></h3>
<p>Oraset 使用 <code>arr()</code> 函数创建数组：</p>
<div class="highlight"><pre><span></span><code><a id="__codelineno-5-1" name="__codelineno-5-1" href="#__codelineno-5-1"></a>!! 数组
<a id="__codelineno-5-2" name="__codelineno-5-2" href="#__codelineno-5-2"></a>empty = arr();
<a id="__codelineno-5-3" name="__codelineno-5-3" href="#__codelineno-5-3"></a>numbers = arr(1, 2, 3, 4, 5);
<a id="__codelineno-5-4" name="__codelineno-5-4" href="#__codelineno-5-4"></a>fruits = arr(`apple`, `banana`, `cherry`);
<a id="__codelineno-5-5" name="__codelineno-5-5" href="#__codelineno-5-5"></a>mixed = arr(1, `hello`, 3.14);
<a id="__codelineno-5-6" name="__codelineno-5-6" href="#__codelineno-5-6"></a>
<a id="__codelineno-5-7" name="__codelineno-5-7" href="#__codelineno-5-7"></a>!! 访问数组元素
<a id="__codelineno-5-8" name="__codelineno-5-8" href="#__codelineno-5-8"></a>show(numbers[0]); !! 输出: 1
<a id="__codelineno-5-9" name="__codelineno-5-9" href="#__codelineno-5-9"></a>show(fruits[1]); !! 输出: banana
</code></pre></div>
<h3 id="_11">布尔值<a class="headerlink" href="#_11" title="Permanent link">&para;</a></h3>
<p>Oraset 支持布尔值 <code>true</code> 和 <code>false</code>：</p>
<div class="highlight"><pre><span></span><code><a id="__codelineno-6-1" name="__codelineno-6-1" href="#__codelineno-6-1"></a>!! 布尔值
<a id="__codelineno-6-2" name="__codelineno-6-2" href="#__codelineno-6-2"></a>true_value = true;
<a id="__codelineno-6-3" name="__codelineno-6-3" href="#__codelineno-6-3"></a>false_value = false;
<a id="__codelineno-6-4" name="__codelineno-6-4" href="#__codelineno-6-4"></a>
<a id="__codelineno-6-5" name="__codelineno-6-5" href="#__codelineno-6-5"></a>!! 布尔表达式
<a id="__codelineno-6-6" name="__codelineno-6-6" href="#__codelineno-6-6"></a>is_greater = 5 &gt; 3; !! true
<a id="__codelineno-6-7" name="__codelineno-6-7" href="#__codelineno-6-7"></a>is_equal = 5 == 3; !! false
</code></pre></div>
<h2 id="_12">运算符<a class="headerlink" href="#_12" title="Permanent link">&para;</a></h2>
<h3 id="_13">算术运算符<a class="headerlink" href="#_13" title="Permanent link">&para;</a></h3>
<table>
<thead>
<tr>
<th>运算符</th>
<th>描述</th>
<th>示例</th>
</tr>
</thead>
<tbody>
<tr>
<td><code>+</code></td>
<td>加法</td>
<td><code>a + b</code></td>
</tr>
<tr>
<td><code>-</code></td>
<td>减法</td>
<td><code>a - b</code></td>
</tr>
<tr>
<td><code>*</code></td>
<td>乘法</td>
<td><code>a * b</code></td>
</tr>
<tr>
<td><code>/</code></td>
<td>除法</td>
<td><code>a / b</code></td>
</tr>
<tr>
<td><code>%</code></td>
<td>取模</td>
<td><code>a % b</code></td>
</tr>
<tr>
<td><code>**</code></td>
<td>幂运算</td>
<td><code>a ** b</code></td>
</tr>
</tbody>
</table>
<div class="highlight"><pre><span></span><code><a id="__codelineno-7-1" name="__codelineno-7-1" href="#__codelineno-7-1"></a>!! 算术运算符
<a id="__codelineno-7-2" name="__codelineno-7-2" href="#__codelineno-7-2"></a>a = 10;
<a id="__codelineno-7-3" name="__codelineno-7-3" href="#__codelineno-7-3"></a>b = 3;
<a id="__codelineno-7-4" name="__codelineno-7-4" href="#__codelineno-7-4"></a>
<a id="__codelineno-7-5" name="__codelineno-7-5" href="#__codelineno-7-5"></a>show(`a + b = `, a + b); !! 13
<a id="__codelineno-7-6" name="__codelineno-7-6" href="#__codelineno-7-6"></a>show(`a - b = `, a - b); !! 7
<a id="__codelineno-7-7" name="__codelineno-7-7" href="#__codelineno-7-7"></a>show(`a * b = `, a * b); !! 30
<a id="__codelineno-7-8" name="__codelineno-7-8" href="#__codelineno-7-8"></a>show(`a / b = `, a / b); !! 3.3333333333333335
<a id="__codelineno-7-9" name="__codelineno-7-9" href="#__codelineno-7-9"></a>show(`a % b = `, a % b); !! 1
<a id="__codelineno-7-10" name="__codelineno-7-10" href="#__codelineno-7-10"></a>show(`a ** b = `, a ** b); !! 1000
</code></pre></div>
<h3 id="_14">比较运算符<a class="headerlink" href="#_14" title="Permanent link">&para;</a></h3>
<table>
<thead>
<tr>
<th>运算符</th>
<th>描述</th>
<th>示例</th>
</tr>
</thead>
<tbody>
<tr>
<td><code>==</code></td>
<td>等于</td>
<td><code>a == b</code></td>
</tr>
<tr>
<td><code>!=</code></td>
<td>不等于</td>
<td><code>a != b</code></td>
</tr>
<tr>
<td><code>&lt;</code></td>
<td>小于</td>
<td><code>a &lt; b</code></td>
</tr>
<tr>
<td><code>&gt;</code></td>
<td>大于</td>
<td><code>a &gt; b</code></td>
</tr>
<tr>
<td><code>&lt;=</code></td>
<td>小于等于</td>
<td><code>a &lt;= b</code></td>
</tr>
<tr>
<td><code>&gt;=</code></td>
<td>大于等于</td>
<td><code>a &gt;= b</code></td>
</tr>
</tbody>
</table>
<div class="highlight"><pre><span></span><code><a id="__codelineno-8-1" name="__codelineno-8-1" href="#__codelineno-8-1"></a>!! 比较运算符
<a id="__codelineno-8-2" name="__codelineno-8-2" href="#__codelineno-8-2"></a>a = 5;
<a id="__codelineno-8-3" name="__codelineno-8-3" href="#__codelineno-8-3"></a>b = 10;
<a id="__codelineno-8-4" name="__codelineno-8-4" href="#__codelineno-8-4"></a>
<a id="__codelineno-8-5" name="__codelineno-8-5" href="#__codelineno-8-5"></a>show(`a == b: `, a == b); !! false
<a id="__codelineno-8-6" name="__codelineno-8-6" href="#__codelineno-8-6"></a>show(`a != b: `, a != b); !! true
<a id="__codelineno-8-7" name="__codelineno-8-7" href="#__codelineno-8-7"></a>show(`a &lt; b: `, a &lt; b); !! true
<a id="__codelineno-8-8" name="__codelineno-8-8" href="#__codelineno-8-8"></a>show(`a &gt; b: `, a &gt; b); !! false
<a id="__codelineno-8-9" name="__codelineno-8-9" href="#__codelineno-8-9"></a>show(`a &lt;= b: `, a &lt;= b); !! true
<a id="__codelineno-8-10" name="__codelineno-8-10" href="#__codelineno-8-10"></a>show(`a &gt;= b: `, a &gt;= b); !! false
</code></pre></div>
<h3 id="_15">逻辑运算符<a class="headerlink" href="#_15" title="Permanent link">&para;</a></h3>
<table>
<thead>
<tr>
<th>运算符</th>
<th>描述</th>
<th>示例</th>
</tr>
</thead>
<tbody>
<tr>
<td><code>&amp;&amp;</code></td>
<td>逻辑与</td>
<td><code>a &amp;&amp; b</code></td>
</tr>
<tr>
<td><code>||</code></td>
<td>逻辑或</td>
<td><code>a || b</code></td>
</tr>
<tr>
<td><code>!</code></td>
<td>逻辑非</td>
<td><code>!a</code></td>
</tr>
</tbody>
</table>
<div class="highlight"><pre><span></span><code><a id="__codelineno-9-1" name="__codelineno-9-1" href="#__codelineno-9-1"></a>!! 逻辑运算符
<a id="__codelineno-9-2" name="__codelineno-9-2" href="#__codelineno-9-2"></a>t = true;
<a id="__codelineno-9-3" name="__codelineno-9-3" href="#__codelineno-9-3"></a>f = false;
<a id="__codelineno-9-4" name="__codelineno-9-4" href="#__codelineno-9-4"></a>
<a id="__codelineno-9-5" name="__codelineno-9-5" href="#__codelineno-9-5"></a>show(`t &amp;&amp; f: `, t &amp;&amp; f); !! false
<a id="__codelineno-9-6" name="__codelineno-9-6" href="#__codelineno-9-6"></a>show(`t || f: `, t || f); !! true
<a id="__codelineno-9-7" name="__codelineno-9-7" href="#__codelineno-9-7"></a>show(`!t: `, !t); !! false
<a id="__codelineno-9-8" name="__codelineno-9-8" href="#__codelineno-9-8"></a>show(`!f: `, !f); !! true
</code></pre></div>
<h3 id="_16">赋值运算符<a class="headerlink" href="#_16" title="Permanent link">&para;</a></h3>
<table>
<thead>
<tr>
<th>运算符</th>
<th>描述</th>
<th>示例</th>
</tr>
</thead>
<tbody>
<tr>
<td><code>=</code></td>
<td>简单赋值</td>
<td><code>a = b</code></td>
</tr>
<tr>
<td><code>+=</code></td>
<td>加赋值</td>
<td><code>a += b</code></td>
</tr>
<tr>
<td><code>-=</code></td>
<td>减赋值</td>
<td><code>a -= b</code></td>
</tr>
<tr>
<td><code>*=</code></td>
<td>乘赋值</td>
<td><code>a *= b</code></td>
</tr>
<tr>
<td><code>/=</code></td>
<td>除赋值</td>
<td><code>a /= b</code></td>
</tr>
<tr>
<td><code>%=</code></td>
<td>取模赋值</td>
<td><code>a %= b</code></td>
</tr>
</tbody>
</table>
<div class="highlight"><pre><span></span><code><a id="__codelineno-10-1" name="__codelineno-10-1" href="#__codelineno-10-1"></a>!! 赋值运算符
<a id="__codelineno-10-2" name="__codelineno-10-2" href="#__codelineno-10-2"></a>a = 10;
<a id="__codelineno-10-3" name="__codelineno-10-3" href="#__codelineno-10-3"></a>show(`Initial a: `, a); !! 10
<a id="__codelineno-10-4" name="__codelineno-10-4" href="#__codelineno-10-4"></a>
<a id="__codelineno-10-5" name="__codelineno-10-5" href="#__codelineno-10-5"></a>a += 5;
<a id="__codelineno-10-6" name="__codelineno-10-6" href="#__codelineno-10-6"></a>show(`a += 5: `, a); !! 15
<a id="__codelineno-10-7" name="__codelineno-10-7" href="#__codelineno-10-7"></a>
<a id="__codelineno-10-8" name="__codelineno-10-8" href="#__codelineno-10-8"></a>a -= 3;
<a id="__codelineno-10-9" name="__codelineno-10-9" href="#__codelineno-10-9"></a>show(`a -= 3: `, a); !! 12
<a id="__codelineno-10-10" name="__codelineno-10-10" href="#__codelineno-10-10"></a>
<a id="__codelineno-10-11" name="__codelineno-10-11" href="#__codelineno-10-11"></a>a *= 2;
<a id="__codelineno-10-12" name="__codelineno-10-12" href="#__codelineno-10-12"></a>show(`a *= 2: `, a); !! 24
<a id="__codelineno-10-13" name="__codelineno-10-13" href="#__codelineno-10-13"></a>
<a id="__codelineno-10-14" name="__codelineno-10-14" href="#__codelineno-10-14"></a>a /= 4;
<a id="__codelineno-10-15" name="__codelineno-10-15" href="#__codelineno-10-15"></a>show(`a /= 4: `, a); !! 6
<a id="__codelineno-10-16" name="__codelineno-10-16" href="#__codelineno-10-16"></a>
<a id="__codelineno-10-17" name="__codelineno-10-17" href="#__codelineno-10-17"></a>a %= 5;
<a id="__codelineno-10-18" name="__codelineno-10-18" href="#__codelineno-10-18"></a>show(`a %= 5: `, a); !! 1
</code></pre></div>
<h2 id="_17">表达式<a class="headerlink" href="#_17" title="Permanent link">&para;</a></h2>
<p>表达式是由变量、常量、运算符和函数调用组成的组合，用于计算值：</p>
<div class="highlight"><pre><span></span><code><a id="__codelineno-11-1" name="__codelineno-11-1" href="#__codelineno-11-1"></a>!! 表达式
<a id="__codelineno-11-2" name="__codelineno-11-2" href="#__codelineno-11-2"></a>result = (10 + 5) * 2 / 3;
<a id="__codelineno-11-3" name="__codelineno-11-3" href="#__codelineno-11-3"></a>show(`Result: `, result); !! 10.0
<a id="__codelineno-11-4" name="__codelineno-11-4" href="#__codelineno-11-4"></a>
<a id="__codelineno-11-5" name="__codelineno-11-5" href="#__codelineno-11-5"></a>!! 复杂表达式
<a id="__codelineno-11-6" name="__codelineno-11-6" href="#__codelineno-11-6"></a>a = 10;
<a id="__codelineno-11-7" name="__codelineno-11-7" href="#__codelineno-11-7"></a>b = 5;
<a id="__codelineno-11-8" name="__codelineno-11-8" href="#__codelineno-11-8"></a>c = 3;
<a id="__codelineno-11-9" name="__codelineno-11-9" href="#__codelineno-11-9"></a>result = (a + b) * c - (a / b);
<a id="__codelineno-11-10" name="__codelineno-11-10" href="#__codelineno-11-10"></a>show(`Result: `, result); !! 45.0
</code></pre></div>
<h2 id="_18">输入输出<a class="headerlink" href="#_18" title="Permanent link">&para;</a></h2>
<h3 id="_19">输出<a class="headerlink" href="#_19" title="Permanent link">&para;</a></h3>
<p>使用 <code>show</code> 函数输出内容：</p>
<div class="highlight"><pre><span></span><code><a id="__codelineno-12-1" name="__codelineno-12-1" href="#__codelineno-12-1"></a>!! 输出
<a id="__codelineno-12-2" name="__codelineno-12-2" href="#__codelineno-12-2"></a>show(`Hello, World!`);
<a id="__codelineno-12-3" name="__codelineno-12-3" href="#__codelineno-12-3"></a>show(`The answer is: `, 42);
<a id="__codelineno-12-4" name="__codelineno-12-4" href="#__codelineno-12-4"></a>show(`Pi is approximately: `, 3.14159);
</code></pre></div>
<h3 id="_20">输入<a class="headerlink" href="#_20" title="Permanent link">&para;</a></h3>
<p>使用 <code>input</code> 函数获取用户输入：</p>
<div class="highlight"><pre><span></span><code><a id="__codelineno-13-1" name="__codelineno-13-1" href="#__codelineno-13-1"></a>!! 输入
<a id="__codelineno-13-2" name="__codelineno-13-2" href="#__codelineno-13-2"></a>name = input(`What&#39;s your name? `);
<a id="__codelineno-13-3" name="__codelineno-13-3" href="#__codelineno-13-3"></a>age = input(`How old are you? `);
<a id="__codelineno-13-4" name="__codelineno-13-4" href="#__codelineno-13-4"></a>show(`Hello, `, name, `! You are `, age, ` years old.`);
</code></pre></div>
<h2 id="_21">转义字符<a class="headerlink" href="#_21" title="Permanent link">&para;</a></h2>
<p>Oraset 支持以下转义字符：</p>
<table>
<thead>
<tr>
<th>转义字符</th>
<th>描述</th>
</tr>
</thead>
<tbody>
<tr>
<td><code>\n</code></td>
<td>换行</td>
</tr>
<tr>
<td><code>\t</code></td>
<td>制表符</td>
</tr>
<tr>
<td><code>\r</code></td>
<td>回车</td>
</tr>
<tr>
<td><code>\</code></td>
<td>反斜杠</td>
</tr>
<tr>
<td><code>\`</code></td>
<td>反引号</td>
</tr>
</tbody>
</table>
<div class="highlight"><pre><span></span><code><a id="__codelineno-14-1" name="__codelineno-14-1" href="#__codelineno-14-1"></a>!! 转义字符
<a id="__codelineno-14-2" name="__codelineno-14-2" href="#__codelineno-14-2"></a>show(`Line 1\nLine 2`);
<a id="__codelineno-14-3" name="__codelineno-14-3" href="#__codelineno-14-3"></a>show(`Name:\tJohn`);
<a id="__codelineno-14-4" name="__codelineno-14-4" href="#__codelineno-14-4"></a>show(`Path: C:\\folder\\file.txt`);
<a id="__codelineno-14-5" name="__codelineno-14-5" href="#__codelineno-14-5"></a>show(`He said: \`Hello!\``);
</code></pre></div>
<h2 id="_22">示例代码<a class="headerlink" href="#_22" title="Permanent link">&para;</a></h2>
<div class="highlight"><pre><span></span><code><a id="__codelineno-15-1" name="__codelineno-15-1" href="#__codelineno-15-1"></a>!! 基本语法示例
<a id="__codelineno-15-2" name="__codelineno-15-2" href="#__codelineno-15-2"></a>
<a id="__codelineno-15-3" name="__codelineno-15-3" href="#__codelineno-15-3"></a>!! 变量赋值
<a id="__codelineno-15-4" name="__codelineno-15-4" href="#__codelineno-15-4"></a>name = `Oraset`;
<a id="__codelineno-15-5" name="__codelineno-15-5" href="#__codelineno-15-5"></a>age = 20;
<a id="__codelineno-15-6" name="__codelineno-15-6" href="#__codelineno-15-6"></a>pi = 3.14159;
<a id="__codelineno-15-7" name="__codelineno-15-7" href="#__codelineno-15-7"></a>
<a id="__codelineno-15-8" name="__codelineno-15-8" href="#__codelineno-15-8"></a>!! 算术运算
<a id="__codelineno-15-9" name="__codelineno-15-9" href="#__codelineno-15-9"></a>radius = 5;
<a id="__codelineno-15-10" name="__codelineno-15-10" href="#__codelineno-15-10"></a>area = pi * radius ** 2;
<a id="__codelineno-15-11" name="__codelineno-15-11" href="#__codelineno-15-11"></a>show(`Area of circle: `, area);
<a id="__codelineno-15-12" name="__codelineno-15-12" href="#__codelineno-15-12"></a>
<a id="__codelineno-15-13" name="__codelineno-15-13" href="#__codelineno-15-13"></a>!! 字符串操作
<a id="__codelineno-15-14" name="__codelineno-15-14" href="#__codelineno-15-14"></a>greeting = `Hello, ` + name + `!`;
<a id="__codelineno-15-15" name="__codelineno-15-15" href="#__codelineno-15-15"></a>show(greeting);
<a id="__codelineno-15-16" name="__codelineno-15-16" href="#__codelineno-15-16"></a>
<a id="__codelineno-15-17" name="__codelineno-15-17" href="#__codelineno-15-17"></a>!! 数组操作
<a id="__codelineno-15-18" name="__codelineno-15-18" href="#__codelineno-15-18"></a>numbers = arr(1, 2, 3, 4, 5);
<a id="__codelineno-15-19" name="__codelineno-15-19" href="#__codelineno-15-19"></a>sum = 0;
<a id="__codelineno-15-20" name="__codelineno-15-20" href="#__codelineno-15-20"></a>i = 0;
<a id="__codelineno-15-21" name="__codelineno-15-21" href="#__codelineno-15-21"></a>
<a id="__codelineno-15-22" name="__codelineno-15-22" href="#__codelineno-15-22"></a>while (i &lt; 5) {
<a id="__codelineno-15-23" name="__codelineno-15-23" href="#__codelineno-15-23"></a> sum = sum + numbers[i];
<a id="__codelineno-15-24" name="__codelineno-15-24" href="#__codelineno-15-24"></a> i = i + 1;
<a id="__codelineno-15-25" name="__codelineno-15-25" href="#__codelineno-15-25"></a>}
<a id="__codelineno-15-26" name="__codelineno-15-26" href="#__codelineno-15-26"></a>
<a id="__codelineno-15-27" name="__codelineno-15-27" href="#__codelineno-15-27"></a>show(`Sum of numbers: `, sum);
<a id="__codelineno-15-28" name="__codelineno-15-28" href="#__codelineno-15-28"></a>
<a id="__codelineno-15-29" name="__codelineno-15-29" href="#__codelineno-15-29"></a>!! 输入输出
<a id="__codelineno-15-30" name="__codelineno-15-30" href="#__codelineno-15-30"></a>user_name = input(`What&#39;s your name? `);
<a id="__codelineno-15-31" name="__codelineno-15-31" href="#__codelineno-15-31"></a>show(`Nice to meet you, `, user_name, `!`);
</code></pre></div>
<h2 id="_23">小结<a class="headerlink" href="#_23" title="Permanent link">&para;</a></h2>
<p>本教程介绍了 Oraset 编程语言的基本语法，包括：</p>
<ul>
<li>注释的使用</li>
<li>变量的声明和赋值</li>
<li>数据类型（数字、字符串、数组、布尔值）</li>
<li>各种运算符（算术、比较、逻辑、赋值）</li>
<li>表达式的使用</li>
<li>输入输出操作</li>
<li>转义字符</li>
</ul>
<p>这些是 Oraset 编程的基础，掌握这些内容后，你可以开始编写更复杂的程序。</p>
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