# 
## The `os` module

The `os` module in Python provides functions that help in interacting with the underlying operating system. 

## What is a process ID?

Every process is given an integer identifier called **process ID** or **PID**. 

> **Note:** Click [here](https://www.educative.io/answers/what-is-a-process-in-linux) to learn more about processes in Linux.


## The `getpid()` method

The `getpid()` method returns the PID of the current process in execution.

# 
## Syntax

--- 

```
os.getpid()
```

## Parameters

The method does not take any argument value.

## Return value

The method returns the current PID.


## Code example

import os

print("Process ID of the current process is:", os.getpid())

# 
## Code explanation

- Line 1: We import the `os` module.
- Line 3: We retrieve the current process ID using `os.getpid()` method and print it to the console.

What is os.getpid() in Python?

os.getpid() returns the current process ID in Python, using the os module. No arguments required.

What is os.getpid() in Python?

The os module

What is a process ID?

The getpid() method

Syntax

Parameters

Return value

Code example

Code explanation

The `os` module

The `getpid()` method