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Answer 
A module in Python is a single, self-contained file that contains Python code. It can include variables, functions, classes, and executable code.
Modules are used to:
1. Organize related code: Modules allow you to group related code together in separate files. For example, you can create modules for functions related to file handling, database operations, or specific application features.
2. Encapsulate functionality: Modules help encapsulate functionality, making it easier to understand and use the code. You can hide the implementation details of a module while exposing a clean, well-defined API to other parts of your program.
3. Reuse code: You can reuse modules across multiple projects. For example, if you create a utility module with commonly used functions, you can easily import and use it in different projects.
4. Manage complexity: Modules help manage the complexity of large Python programs by breaking them into smaller, more manageable pieces.
To use a module, you import it using the `import` statement. For example:
```python
import my_module
then you can use classes and functions from that module by dot operator after the module name
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which is best in Rpa and python
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