🚶‍♀️ `*`, 🥇 🔢 🔢.

🐍 🏆 🚫 🕳 ⏮️ 👈 `*`, ✋️ ⚫️ 🔜 💭 👈 🌐 📄 🔢 🔜 🤙 🇨🇻 ❌ (🔑-💲 👫), 💭 <abbr title="From: K-ey W-ord Arg-uments"><code>kwargs</code></abbr>. 🚥 👫 🚫 ✔️ 🔢 💲.

```Python hl_lines="7"
{!../../docs_src/path_params_numeric_validations/tutorial003.py!}
```

## 🔢 🔬: 👑 🌘 ⚖️ 🌓

  // `lastTransitionTime` is the last time the condition transitioned from one status to another.
  optional k8s.io.apimachinery.pkg.apis.meta.v1.Time lastTransitionTime = 3;

  // `reason` is a unique, one-word, CamelCase reason for the condition's last transition.
  optional string reason = 4;

  // `message` is a human-readable message indicating details about last transition.
  optional string message = 5;
}

     * @return true if the OS matches
     *
     */
    public static boolean isFamily(String family, String actualOsName) {
        // windows probing logic relies on the word 'windows' in the OS
        boolean isWindows = actualOsName.contains(FAMILY_WINDOWS);
        boolean is9x = false;
        boolean isNT = false;
        if (isWindows) {

  // Last time the condition transitioned from one status to another.
  // +optional
  optional k8s.io.apimachinery.pkg.apis.meta.v1.Time lastTransitionTime = 4;

  // Unique, one-word, CamelCase reason for the condition's last transition.
  // +optional
  optional string reason = 5;

  // Human-readable message indicating details about last transition.
  // +optional
  optional string message = 6;
}

// DIVHW R0, R1: R1 / R0 -> R1
	DIVHW	R0, R1               // 11f011e7
	DIVUHW	R0, R1               // 11f031e7

// misc
	CLZ	R1, R2         // 112f6fe1
	WORD	$0             // 00000000
	WORD	$4294967295    // ffffffff
	WORD	$2863311530    // aaaaaaaa
	WORD	$1431655765    // 55555555
	PLD	4080(R6)       // f0ffd6f5
	PLD	-4080(R9)      // f0ff59f5
	RFE	               // 0080fde8

Zodra het gevonden wordt, zal het dat programma **gebruiken**. Anders blijft het in de **andere mappen** zoeken.

### Python installeren en `PATH` bijwerken

Wanneer je Python installeert, word je mogelijk gevraagd of je de omgevingsvariabele `PATH` wilt bijwerken.

//// tab | Linux, macOS

Stel dat je Python installeert en het komt terecht in de map `/opt/custompython/bin`.

Because this code is executed before the application **starts** taking requests, and right after it **finishes** handling requests, it covers the whole application **lifespan** (the word "lifespan" will be important in a second 😉).

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## Server Machine and Server Program

There's a small detail about names to keep in mind. 💡

The word "**server**" is commonly used to refer to both the remote/cloud computer (the physical or virtual machine) and also the program that is running on that machine (e.g. Uvicorn).

Emoji","Segoe UI Symbol","Noto Color Emoji";font-style:normal;font-weight:400;line-height:1.5;text-align:left;text-align:start;text-decoration:none;text-shadow:none;text-transform:none;letter-spacing:normal;word-break:normal;white-space:normal;word-spacing:normal;line-break:auto;font-size:.875rem;word-wrap:break-word;opacity:0}.tooltip.show{opacity:.9}.tooltip .arrow{position:absolute;display:block;width:.8rem;height:.4rem}.tooltip .arrow::before{position:absolute;content:"";border-color:transparent;border-s...