"""Create fallback_executor
Generated by Phi-Octopus Eden
2025-11-07 13:04:56.173932
"""

```python
from typing import Any, Callable, Dict, Optional


class FallbackExecutor:
    """
    A class for executing functions with fallback mechanisms.

    This class provides a mechanism to execute a primary function and in case of errors,
    automatically switch to one or more secondary (fallback) functions until success or no further options remain.
    """

    def __init__(self, primary_func: Callable[..., Any], fallbacks: Dict[str, Callable[..., Any]]):
        """
        Initialize the FallbackExecutor with a primary function and a dictionary of fallback functions.

        :param primary_func: The primary function to execute first.
        :param fallbacks: A dictionary where keys are identifiers for each fallback function,
                          and values are the corresponding fallback functions themselves.
        """
        self.primary_func = primary_func
        self.fallbacks = fallbacks

    def execute(self, *args, **kwargs) -> Any:
        """
        Attempt to execute the primary function followed by any available fallbacks.

        :param args: Positional arguments to pass to the primary and fallback functions.
        :param kwargs: Keyword arguments to pass to the primary and fallback functions.
        :return: The result of the successful execution or None if all attempts fail.
        """
        try:
            return self.primary_func(*args, **kwargs)
        except Exception as e:
            print(f"Primary function failed with error: {e}")
            for identifier, func in self.fallbacks.items():
                try:
                    result = func(*args, **kwargs)
                    print(f"Falling back to {identifier} function")
                    return result
                except Exception as fe:
                    print(f"Fallback function {identifier} failed with error: {fe}")
            return None


# Example usage and problem-solving scenario

def primary_function(x: int) -> int:
    """A primary function that fails if x is not positive."""
    if x <= 0:
        raise ValueError("Input must be a positive integer")
    return x * 2


def fallback1_function(x: int) -> int:
    """Fallback function 1 which takes the absolute value of x and doubles it."""
    return abs(x) * 2


def fallback2_function(x: int) -> int:
    """Fallback function 2 which returns 10 regardless of input if primary fails."""
    return 10


# Creating instances
fallbacks = {"fallback1": fallback1_function, "fallback2": fallback2_function}
executor = FallbackExecutor(primary_function, fallbacks)

# Example calls with different inputs
print(executor.execute(5))  # Should succeed and print: 10
print(executor.execute(-3))  # Should fail on primary then succeed in fallback1: 6
print(executor.execute("not a number"))  # Should fail as it's not a valid input type, no recovery possible

# Expected output:
# Primary function failed with error: Input must be a positive integer
# Falling back to fallback1 function
# 6
```