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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:

def security_group_create(auth=None, **kwargs):
    '''
    Create a security group. Use security_group_get to create default.

    project_id
        The project ID on which this security group will be created

    CLI Example:

    .. code-block:: bash

        salt '*' neutronng.security_group_create name=secgroup1 \
          description="Very secure security group"
        salt '*' neutronng.security_group_create name=secgroup1 \
          description="Very secure security group" \
          project_id=1dcac318a83b4610b7a7f7ba01465548

    '''
    cloud = get_operator_cloud(auth)
    kwargs = _clean_kwargs(keep_name=True, **kwargs)
    return cloud.create_security_group(**kwargs)