Standard Modules

 Standard Modules

Python comes with a rich set of standard modules that provide a wide range of functionalities. These modules are part of the Python Standard Library and cover various areas such as file I/O, regular expressions, networking, database access, data serialization, and more. Here are some essential standard modules in Python:

### 1. `math` Module:

   - Provides mathematical functions (e.g., `sqrt()`, `sin()`, `cos()`) and constants (e.g., `pi`, `e`).

### 2. `random` Module:

   - Implements pseudo-random number generators for various distributions.

### 3. `datetime` Module:

   - Provides classes for manipulating dates and times.

### 4. `os` Module:

   - Offers a way of using operating system-dependent functionality, like reading or writing to the file system.

### 5. `sys` Module:

   - Provides access to some variables used or maintained by the Python interpreter and functions that interact strongly with the interpreter.

### 6. `re` Module:

   - Offers a set of functions that allows us to search a string for a match or replace the matches with another string.

### 7. `json` Module:

   - Provides methods for working with JSON (JavaScript Object Notation) data.

### 8. `urllib` Module:

   - Provides a high-level interface for fetching data across the World Wide Web.

### 9. `sqlite3` Module:

   - Provides a lightweight disk-based database.

### 10. `collections` Module:

   - Implements several specialized container datatypes (e.g., `namedtuple()`, `deque`, `Counter`, `OrderedDict`).

These are just a few examples, and there are many more modules in the Python Standard Library covering a wide range of tasks. These modules are readily available and can be imported and used in your Python programs without the need for additional installations. They make Python a powerful language for various applications, from web development to scientific computing.