import sympy as sp class Tools: def __init__(self): pass def calculator(self, equation: str) -> str: """ Calculate the result of an equation safely. :param equation: The equation to calculate. :return: The result of the equation. """ try: # Parse the equation using sympy expr = sp.sympify(equation) result = expr.evalf() return f"{equation} = {result}" except (sp.SympifyError, ValueError) as e: print(e) return "Invalid equation" # Example usage tools = Tools() result = tools.calculator("3 + 5 * (2 - 8)") print(result) # Output: 3 + 5 * (2 - 8) = -25.0000000000000