class Agreement():
    """
    #### A class representing a legal agreement between parties.
    Attributes:
    - parties (list[str]): A list of parties involved in the agreement.
    - purpose (str): The purpose of the agreement.
    - terms (str): The terms and conditions of the agreement.
    - enforceability (bool): Whether the agreement is enforceable or not.
    
    Methods:
    - establish_agreement(): Establish the agreement between parties.
    - define_conditions(terms: str): Define the specific terms and conditions for the agreement.
    - set_enforceability(status: bool): Set the enforceability status of the agreement.
    """
    def __init__(self, parties=None, purpose=None, terms=None):
        self.parties = parties if parties is not None else []
        self.purpose = purpose if purpose is not None else ""
        self.terms = terms if terms is not None else ""
        self.enforceability = True
    def establish_agreement(self):
        """
        Establish the agreement between parties.
        """
        pass
    
    def define_conditions(self, terms: str):
        """
        Define the specific terms and conditions for the agreement.
    
        Args:
        terms (str): The terms and conditions to be defined.
        """
        self.terms = terms
    
    def set_enforceability(self, status: bool):
        """
        Set the enforceability status of the agreement.
    
        Args:
        status (bool): The enforceability status to be set.
        """
        self.enforceability = status