Python ImportError and ModuleNotFoundError

ImportError and ModuleNotFoundError are two common exceptions that occur when there's an issue with importing modules or their components in Python.

ImportError:

ImportError is raised when the interpreter cannot find a module or an object (such as a class, function, or variable) within a module. This can happen if the module or object is misspelled, not installed, or not in the correct location.

Example:

# Importing a non-existent function from the built-in math module
from math import non_existent_function

This will raise the following exception:

ImportError: cannot import name 'non_existent_function' from 'math' (unknown location)

To fix an ImportError, you can:

Check the spelling of the module or object you're trying to import.
Make sure the module is installed (use pip install module_name for third-party modules).
Ensure that the module is in the correct location (Python's module search path).

ModuleNotFoundError:

ModuleNotFoundError is a subclass of ImportError that is raised when the interpreter cannot find the specified module. This can happen if the module is misspelled, not installed, or not in the correct location.

Example:

# Trying to import a non-existent module
import non_existent_module

This will raise the following exception:

ModuleNotFoundError: No module named 'non_existent_module'

To fix a ModuleNotFoundError, you can:

Check the spelling of the module you're trying to import.
Make sure the module is installed (use pip install module_name for third-party modules).
Ensure that the module is in the correct location (Python's module search path).

In summary, both ImportError and ModuleNotFoundError are related to issues with importing modules or their components. The main difference is that ImportError is more general and can be raised when importing a specific object fails, while ModuleNotFoundError is specifically raised when the module itself cannot be found. To fix these errors, check the spelling, installation, and location of the modules and objects you're trying to import.

Handling missing module errors in Python:
- Description: Strategies for handling missing module errors in Python, including exception handling.
- Code:
```
try:
    import missing_module
except ModuleNotFoundError:
    print("Module not found. Handle the error gracefully.")
```