関連ワード:  python def __ init __( self    python def __ init __( self * args ** kwargs    python def __ init __( self meaning    python def __ init __( self root )    python function __ init __( self    python class def __ init __( self    def init self python w3schools    def __ init __( self python explained    def init self python example    def init self python invalid syntax