"""Create fallback_executor
Generated by Phi-Octopus Eden
2025-11-07 21:14:38.634080
"""

```python
class FallbackExecutor:
    """
    A class for creating a fallback mechanism in an execution pipeline.
    
    This class provides functionality to run a primary function and provide
    a secondary (fallback) function as a backup if the primary function fails.

    :param primary_func: The main function that needs to be executed.
    :type primary_func: callable
    :param fallback_func: A secondary function to execute if the primary function fails.
    :type fallback_func: callable
    """

    def __init__(self, primary_func: callable, fallback_func: callable):
        self.primary_func = primary_func
        self.fallback_func = fallback_func

    def run(self) -> any:
        """
        Executes the primary function. If an exception occurs during execution,
        runs the fallback function.

        :return: The result of the executed function or None if both failed.
        :rtype: Any or None
        """
        try:
            return self.primary_func()
        except Exception as e:
            print(f"Error executing primary function: {e}")
            return self.fallback_func() if callable(self.fallback_func) else None

# Example usage
def divide_numbers(a, b):
    """Divide two numbers and return the result."""
    return a / b

def safe_divide(a, b):
    """A safer version of division that returns 0 if division by zero occurs."""
    try:
        return a / b
    except ZeroDivisionError:
        print("Cannot divide by zero. Returning a default value.")
        return 0

# Using FallbackExecutor to handle potential errors during the division operation
executor = FallbackExecutor(primary_func=divide_numbers, fallback_func=safe_divide)
result = executor.run(a=10, b=2)  # Expected: 5.0
print(result)

result = executor.run(a=10, b=0)  # Expected: 0 (fallback function result)
print(result)
```