---
title: String Interpolation
published: true
featured: true
author: eac
date: "Oct 25, 2024"
snippet: "String interpolation embeds variables directly in strings for dynamic, readable text. For example, Python's f-strings use {} to include variables or expressions seamlessly, simplifying output formatting."
categories:
  - python
  - premium
  - print "Hello World"
  - blizzard
  - silver
  - attention
skills:
  - svelte
  - typescript
  - javascript
  - nim
  - rust
  - golang
  - github-actions
  - bash
  - apple
---

# Header

## Headers

### Headerss

```svelte
<script>
	import Link from '#/Link.svelte';
</script>

<nav>
	<link href="/" title="Home" />
	<link href="/blog" title="Blog" />
	<link href="/projects" title="Projects" />
	<link href="/about-me" title="About Me" />
</nav>
```

```typescript
const materials = ["Hydrogen", "Helium", "Lithium", "Beryllium"];

console.log(materials.map((material) => material.length));
// Expected output: Array [8, 6, 7, 9]

(function (a) {
  return a + 100;
});

const a = async (x) => {
  return x++;
};
```

```nim
import macros, strutils

macro toLookupTable(data: static[string]): untyped =
  result = newTree(nnkBracket)
  for w in data.split(';'):
    result.add newLit(w)

const
  data = "mov;btc;cli;xor"
  opcodes = toLookupTable(data)

for o in opcodes:
  echo o
```

```java
BufferedWriter out = null;
try {
    out = new BufferedWriter(new FileWriter("filename", true));
    out.write("aString");
} catch (IOException e) {
    // error processing code
} finally {
    if (out != null) {
        out.close();
    }
}
```

```scss
$font-stack: Helvetica, sans-serif;
$primary-color: #333;

body {
  font: 100% $font-stack;
  color: $primary-color;
}
```

```rust
fn main() {
    let user = ("Adrian", 38);
    println!("User {} is {} years old", user.0, user.1);

    // tuples within tuples
    let employee = (("Adrian", 38), "die Mobiliar");
    println!("User {} is {} years old and works for {}", employee.0.1, employee.0.1, employee.1);
}
```

```go
func Example() {
	ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		w.WriteHeader(http.StatusOK)
		w.Write([]byte("hello world"))
	}))
	defer ts.Close()

	resp, err := http.Get(ts.URL)
	if err != nil {
		fmt.Println(err)
	}
	defer resp.Body.Close()

	fmt.Printf("%s\n", resp.Status)
	fmt.Printf("%d\n", resp.StatusCode)
}
```