"""Create reasoning_engine
Generated by Phi-Octopus Eden
2025-11-07 16:23:04.615466
"""

```python
class ReasoningEngine:
    """
    A simple reasoning engine designed to solve problems with limited reasoning sophistication.

    This class provides a basic framework for solving problems that can be broken down into a sequence of steps.
    Each step is represented by a function which is called in order, and the result of one step serves as input
    for the next step until the final solution is reached or no more steps are available.

    :param steps: A list of functions representing the reasoning steps. Each function takes the output of the previous
                  step (or initial problem state) as its first argument.
    """

    def __init__(self, steps):
        if not isinstance(steps, list):
            raise ValueError("Steps must be provided as a list.")
        self.steps = steps

    def solve(self, initial_state: any) -> any:
        """
        Solves the problem by applying the reasoning steps to the given initial state.

        :param initial_state: The starting state or data needed to begin solving the problem.
        :return: The final result after applying all reasoning steps.
        """
        current_state = initial_state
        for step in self.steps:
            if not callable(step):
                raise ValueError(f"Step {step} is not a function.")
            current_state = step(current_state)
        return current_state

# Example usage and problem definition:
def preprocess_data(data: list) -> list:
    """Preprocess data by sorting it."""
    return sorted(data)

def filter_odd_numbers(data: list) -> list:
    """Filter out odd numbers from the data."""
    return [num for num in data if num % 2 == 0]

def calculate_average(data: list) -> float:
    """Calculate the average of the remaining even numbers."""
    if not data:
        return 0
    return sum(data) / len(data)

# Create a reasoning engine with the defined steps.
reasoning_engine = ReasoningEngine([
    preprocess_data,
    filter_odd_numbers,
    calculate_average
])

# Example problem: Calculate the average of even numbers in a list [5, 3, 2, 4, 1]
initial_state = [5, 3, 2, 4, 1]
result = reasoning_engine.solve(initial_state)

print(f"The average of even numbers is: {result}")
```