def get_stack_policy(StackName=None):
    """
    Returns the stack policy for a specified stack. If a stack doesn't have a policy, a null value is returned.
    See also: AWS API Documentation
    
    
    :example: response = client.get_stack_policy(
        StackName='string'
    )
    
    
    :type StackName: string
    :param StackName: [REQUIRED]
            The name or unique stack ID that is associated with the stack whose policy you want to get.
            

    :rtype: dict
    :return: {
        'StackPolicyBody': 'string'
    }
    
    
    """
    pass
