"""Create reasoning_engine
Generated by Phi-Octopus Eden
2025-11-05 20:47:19.483453
"""

```python
from typing import List, Dict


class ReasoningEngine:
    """
    A basic reasoning engine that can process a set of rules and apply them to data.
    It is designed to handle simple logical operations on inputs.
    """

    def __init__(self):
        self.rules = []

    def add_rule(self, rule: str) -> None:
        """
        Add a new rule for the reasoning engine.

        :param rule: A string representing a simple logical operation, e.g., "x > 5 and y < 10".
        """
        self.rules.append(rule)

    def evaluate(self, data: Dict[str, int]) -> bool:
        """
        Evaluate if the current set of rules are satisfied by the given data.

        :param data: A dictionary mapping variable names to integer values.
        :return: True if all rules are satisfied, False otherwise.
        """
        for rule in self.rules:
            try:
                # Replace variable names with their corresponding values from 'data'
                evaluated_rule = rule.replace("x", str(data.get("x", 0)))
                evaluated_rule = evaluated_rule.replace("y", str(data.get("y", 0)))

                if not eval(evaluated_rule):
                    return False
            except Exception as e:
                print(f"Error evaluating rule: {e}")
        return True


# Example usage

reasoning_engine = ReasoningEngine()

# Add rules
reasoning_engine.add_rule("x > 5 and y < 10")
reasoning_engine.add_rule("x + y == 20")

# Evaluate with a sample data set
data_example_1 = {"x": 6, "y": 9}
print(reasoning_engine.evaluate(data_example_1))  # True

data_example_2 = {"x": 3, "y": 7}
print(reasoning_engine.evaluate(data_example_2))  # False
```

This code demonstrates a basic reasoning engine capable of handling simple logical rules and evaluating them against provided data. It includes error handling for evaluation exceptions and uses a dictionary to map variable names to their integer values.