user: What is E and how is it used in Blender Python scripting?

assistant: umPropertyItem.identifier) - [EnumPropertyItem.name (in module bpy.types)](bpy.types.EnumPropertyItem.html#bpy.types.EnumPropertyItem.name) - [EnumPropertyItem.value (in module bpy.types)](bpy.types.EnumPropertyItem.html#bpy.types.EnumPropertyItem.value) - [envelope() (aud.aud.Sound method)](aud.html#aud.aud.Sound.envelope) - [envelope_distance (bpy.types.Bone attribute)](bpy.types.Bone.html#bpy.types.Bone.envelope_distance)   - [(bpy.types.EditBone attribute)](bpy.types.EditBone.html#bpy.types.EditBone.envelope_distance) - [envelope_weight (bpy.types.Bone attribute)](bpy.types.Bone.html#bpy.types.Bone.envelope_weight)   - [(bpy.types.EditBone attribute)](bpy.types.EditBone.html#bpy.types.EditBone.envelope_weight) - [EQCurveMappingData (class in bpy.types)](bpy.types.EQCurveMappingData.html#bpy.types.EQCurveMappingData) - [EQCurveMappingData.curve_mapping (in module bpy.types)](bpy.types.EQCurveMappingData.html#bpy.types.EQCurveMappingData.curve_mapping) - [equalize_handles() (in module bpy.ops.graph)](bpy.ops.graph.html#bpy.ops.graph.equalize_handles) - [erase_box() (in module bpy.ops.grease_pencil)](bpy.ops.grease_pencil.html#bpy.ops.grease_pencil.erase_box) - [erase_lasso() (in module bpy.ops.grease_pencil)](bpy.ops.grease_pencil.html#bpy.ops.grease_pencil.erase_lasso) - [eraser_brush (bpy.types.Paint attribute)](bpy.types.Paint.html#bpy.types.Paint.eraser_brush) - [eraser_mode (bpy.types.BrushGpencilSettings attribute)](bpy.types.BrushGpencilSettings.html#bpy.types.BrushGpencilSettings.eraser_mode) - [eraser_strength_factor (bpy.types.BrushGpencilSettings attribute)](bpy.types.BrushGpencilSettings.html#bpy.types.BrushGpencilSettings.eraser_strength_factor) - [eraser_thickness_factor (bpy.types.BrushGpencilSettings attribute)](bpy.types.BrushGpencilSettings.html#bpy.types.BrushGpencilSettings.eraser_thickness_factor) - [error (bpy.types.LineStyleGeometryModifier_BezierCurve attribute)](bpy.types.LineStyleGeometryModifier_BezierCurve.html#bpy.types.LineStyleGeometryModifier_BezierCurve.error)   - [(bpy.types.LineStyleGeometryModifier_Polygonalization attribute)](bpy.types.LineStyleGeometryModifier_Polygonalization.html#bpy.types.LineStyleGeometryModifier_Polygonalization.error)   - [(bpy.types.ThemeWidgetStateColors attribute)](bpy.types.ThemeWidgetStateColors.html#bpy.types.ThemeWidgetStateColors.error) - [error_set() (bpy.types.RenderEngine method)](bpy.types.RenderEngine.html#bpy.types.RenderEngine.error_set) - [error_threshold (bpy.types.CurvePaintSettings attribute)](bpy.types.CurvePaintSettings.html#bpy.types.CurvePaintSettings.error_threshold)   - [(bpy.types.SoftBodySettings attribute)](bpy.types.SoftBodySettings.html#bpy.types.SoftBodySettings.error_threshold) - [escape_bias (bpy.types.LightProbeVolume attribute)](bpy.types.LightProbeVolume.html#bpy.types.LightProbeVolume.escape_bias) - [escape_identifier() (in module bpy.utils)](bpy.utils.html#bpy.utils.escape_identifier) - [Euler (class in mathutils)](mathutils.html#mathutils.Euler) - [Euler.copy() (in module mathutils)](mathutils.html#mathutils.Euler.copy) - [Euler.freeze() (in module mathutils)](mathutils.html#mathutils.Euler.freeze) - [euler_filter() (in module bpy.ops.graph)](bpy.ops.graph.html#bpy.ops.graph.euler_filter) - [euler_order (bpy.types.CopyRotationConstraint attribute)](bpy.types.CopyRotationConstraint.html#bpy.types.CopyRotationConstraint.euler_order)   - [(bpy.types.LimitRotationConstraint attribute)](bpy.types.LimitRotationConstraint.html#bpy.types.LimitRotationConstraint.euler_order) - [eval_factor (bpy.types.MeshCacheModifier attribute)](bpy.types.MeshCacheModifier.html#bpy.types.MeshCacheModifier.eval_factor) - [eval_frame (bpy.types.MeshCacheModifier attribute)](bpy.types.MeshCacheModifier.html#bpy.types.MeshCacheModifier.eval_frame) - [eval_time (bpy.types.ActionConstraint attribute)](bpy.types.ActionConstraint.html#bpy.types.ActionConstraint.eval_time)   - [(bpy.types.Curve attribute)](bpy.types.Curve.html#bpy.types.Curve.eval_time)   - [(bpy.types.Key attribute)](bpy.types.Key.html#bpy.types.Key.eval_time)   - [(bpy.types.MeshCacheModifier attribute)](bpy.types.MeshCacheModifier.html#bpy.types.MeshCacheModifier.eval_time) - [evaluate() (bpy.types.ColorRamp method)](bpy.types.ColorRamp.html#bpy.types.ColorRamp.evaluate)   - [(bpy.types.CurveMapping method)](bpy.types.CurveMapping.html#bpy.types.CurveMapping.evaluate)   - [(bpy.types.CurveProfile method)](bpy.types.CurveProfile.html#bpy.types.CurveProfile.evaluate)   - [(bpy.types.FCurve method)](bpy.types.FCurve.html#bpy.types.FCurve.evaluate)   - [(bpy.types.Texture method)](bpy.types.Texture.html#bpy.types.Texture.evaluate) - [evaluate_closure_input_item_add() (in module bpy.ops.node)](bpy.ops.node.html#bpy.ops.node.evaluate_closure_input_item_add) - [evaluate_closure_input_item_move() (in module bpy.ops.node)](bpy.ops.node.html#bpy.ops.node.evaluate_closure_input_item_move) | - [evaluate_closure_input_item_remove() (in module bpy.ops.node)](bpy.ops.node.html#bpy.ops.node.evaluate_closure_input_item_remove) - [evaluate_closure_output_item_add() (in module bpy.ops.node)](bpy.ops.node.html#bpy.ops.node.evaluate_closure_output_item_add) - [evaluate_closure_output_item_move() (in module bpy.ops.node)](bpy.ops.node.html#bpy.ops.node.evaluate_closure_output_item_move) - [evaluate_closure_output_item_remove() (in module bpy.ops.node)](bpy.ops.node.html#bpy.ops.node.evaluate_closure_output_item_remove) - [evaluate_envelope() (bpy.types.Bone method)](bpy.types.Bone.html#bpy.types.Bone.evaluate_envelope)   - [(bpy.types.PoseBone method)](bpy.types.PoseBone.html#bpy.types.PoseBone.evaluate_envelope) - [evaluate_node_id (bpy.types.EvaluateClosureNodeViewerPathElem attribute)](bpy.types.EvaluateClosureNodeViewerPathElem.html#bpy.types.EvaluateClosureNodeViewerPathElem.evaluate_node_id) - [EvaluateClosureNodeViewerPathElem (class in bpy.types)](bpy.types.EvaluateClosureNodeViewerPathElem.html#bpy.types.EvaluateClosureNodeViewerPathElem) - [EvaluateClosureNodeViewerPathElem.source_node_tree (in module bpy.types)](bpy.types.EvaluateClosureNodeViewerPathElem.html#bpy.types.EvaluateClosureNodeViewerPathElem.source_node_tree) - [evaluated_depsgraph_get() (bpy.types.Context method)](bpy.types.Context.html#bpy.types.Context.evaluated_depsgraph_get) - [evaluated_geometry() (bpy.types.Object method)](bpy.types.Object.html#bpy.types.Object.evaluated_geometry) - [evaluated_get() (bpy.types.ID method)](bpy.types.ID.html#bpy.types.ID.evaluated_get) - [Event (class in bpy.types)](bpy.types.Event.html#bpy.types.Event) - [Event.alt (in module bpy.types)](bpy.types.Event.html#bpy.types.Event.alt) - [Event.ascii (in module bpy.types)](bpy.types.Event.html#bpy.types.Event.ascii) - [Event.ctrl (in module bpy.types)](bpy.types.Event.html#bpy.types.Event.ctrl) - [Event.direction (in module bpy.types)](bpy.types.Event.html#bpy.types.Event.direction) - [Event.hyper (in module bpy.types)](bpy.types.Event.html#bpy.types.Event.hyper) - [Event.is_consecutive (in module bpy.types)](bpy.types.Event.html#bpy.types.Event.is_consecutive) - [Event.is_mouse_absolute (in module bpy.types)](bpy.types.Event.html#bpy.types.Event.is_mouse_absolute) - [Event.is_repeat (in module bpy.types)](bpy.types.Event.html#bpy.types.Event.is_repeat) - [Event.is_tablet (in module bpy.types)](bpy.types.Event.html#bpy.types.Event.is_tablet) - [Event.mouse_prev_press_x (in module bpy.types)](bpy.types.Event.html#bpy.types.Event.mouse_prev_press_x) - [Event.mouse_prev_press_y (in module bpy.types)](bpy.types.Event.html#bpy.types.Event.mouse_prev_press_y) - [Event.mouse_prev_x (in module bpy.types)](bpy.types.Event.html#bpy.types.Event.mouse_prev_x) - [Event.mouse_prev_y (in module bpy.types)](bpy.types.Event.html#bpy.types.Event.mouse_prev_y) - [Event.mouse_region_x (in module bpy.types)](bpy.types.Event.html#bpy.types.Event.mouse_region_x) - [Event.mouse_region_y (in module bpy.types)](bpy.types.Event.html#bpy.types.Event.mouse_region_y) - [Event.mouse_x (in module bpy.types)](bpy.types.Event.html#bpy.types.Event.mouse_x) - [Event.mouse_y (in module bpy.types)](bpy.types.Event.html#bpy.types.Event.mouse_y) - [Event.ndof_motion (in module bpy.types)](bpy.types.Event.html#bpy.types.Event.ndof_motion) - [Event.oskey (in module bpy.types)](bpy.types.Event.html#bpy.types.Event.oskey) - [Event.pressure (in module bpy.types)](bpy.types.Event.html#bpy.types.Event.pressure) - [Event.shift (in module bpy.types)](bpy.types.Event.html#bpy.types.Event.shift) - [Event.tilt (in module bpy.types)](bpy.types.Event.html#bpy.types.Event.tilt) - [Event.type (in module bpy.types)](bpy.types.Event.html#bpy.types.Event.type) - [Event.type_prev (in module bpy.types)](bpy.types.Event.html#bpy.types.Event.type_prev) - [Event.unicode (in module bpy.types)](bpy.types.Event.html#bpy.types.Event.unicode) - [Event.value (in module bpy.types)](bpy.types.Event.html#bpy.types.Event.value) - [Event.value_prev (in module bpy.types)](bpy.types.Event.html#bpy.types.Event.value_prev) - [Event.xr (in module bpy.types)](bpy.types.Event.html#bpy.types.Event.xr) - [event_simulate() (bpy.types.Window method)](bpy.types.Window.html#bpy.types.Window.event_simulate) - [event_timer_add() (bpy.types.WindowManager method)](bpy.types.WindowManager.html#bpy.types.WindowManager.event_timer_add) - [event_timer_remove() (bpy.types.WindowManager method)](bpy.types.WindowManager.html#bpy.types.WindowManager.event_timer_remove) - [exclude (bpy.types.LayerCollection attribute)](bpy.types.LayerCollection.html#bpy.types.LayerCollection.exclude) - [exclude_border (bpy.types.FreestyleLineSet attribute)](bpy.types.FreestyleLineSet.html#bpy.types.FreestyleLineSet.exclude_border) - [exclude_contour (bpy.types.FreestyleLineSet attribute)](bpy.types.FreestyleLineSet.html#bpy.types.FreestyleLineSet.exclude_contour) - [exclude_crease (bpy.types.FreestyleLineSet attribute)](bpy.types.FreestyleLineSet.html#bpy.types.FreestyleLineSet.exclude_crease) - [exclude_edge_mark (bpy.types.FreestyleLineSet attribute)](bpy.types.FreestyleLineSet.html#bpy.types.FreestyleLineSet.exclude_edge_mark) - [exclude_external_contour (bpy.types.FreestyleLineSet attribute)](bpy.types.FreestyleLineSet.html#bpy.types.FreestyleLineSet.exclude_external_contour) - [exclude_material_boundary (bpy.types.FreestyleLineSet attribute)](bpy.types.FreestyleLineSet.html#bpy.types.FreestyleLineSet.exclude_material_boundary) - [exclude_ridge_valley (bpy.types.FreestyleLineSet attribute)](bpy.types.FreestyleLineSet.html#bpy.types.FreestyleLineSet.exclude_ridge_valley) - [exclude_silhouette (bpy.types.FreestyleLineSet attribute)](bpy.types.FreestyleLineSet.html#bpy.types.FreestyleLineSet.exclude_silhouette) - [exclude_suggestive_contour (bpy.types.FreestyleLineSet attribute)](bpy.types.FreestyleLineSet.html#bpy.types.FreestyleLineSet.exclude_suggestive_contour) - [execfile() (in module bpy.utils)](bpy.utils.html#bpy.utils.execfile) - [execute() (bpy.types.Operator method)](bpy.types.Operator.html#bpy.types.Operator.execute)   - [(in module bpy.ops.console)](bpy.ops.console.html#bpy.ops.console.execute)   - [(in module bpy.ops.file)](bpy.ops.file.html#bpy.ops.file.execute) - [execute_node_group() (in module bpy.ops.geometry)](bpy.ops.geometry.html#bpy.ops.geometry.execute_node_group) - [execute_preset() (in module bpy.ops.script)](bpy.ops.script.html#bpy.ops.script.execute_preset) - [exit() (bpy.types.Gizmo method)](bpy.types.Gizmo.html#bpy.types.Gizmo.exit) - [expand() (in module bpy.ops.sculpt)](bpy.ops.sculpt.html#bpy.ops.sculpt.expand) - [expanded (bpy.types.LineStyleAlphaModifier_AlongStroke attribute)](bpy.types.LineStyleAlphaModifier_AlongStroke.html#bpy.types.LineStyleAlphaModifier_AlongStroke.expanded)   - [(bpy.types.LineStyleAlphaModifier_CreaseAngle attribute)](bpy.types.LineStyleAlphaModifier_CreaseAngle.html#bpy.types.LineStyleAlphaModifier_CreaseAngle.expanded)   - [(bpy.types.LineStyleAlphaModifier_Curvature_3D attribute)](bpy.types.LineStyleAlphaModifier_Curvature_3D.html#bpy.types.LineStyleAlphaModifier_Curvature_3D.expanded)   - [(bpy.types.LineStyleAlphaModifier_DistanceFromCamera attribute)](bpy.types.LineStyleAlphaModifier_DistanceFromCamera.html#bpy.types.LineStyleAlphaModifier_DistanceFromCamera.expanded)   - [(bpy.types.LineStyleAlphaModifier_DistanceFromObject attribute)](bpy.types.LineStyleAlphaModifier_DistanceFromObject.html#bpy.types.LineStyleAlphaModifier_DistanceFromObject.expanded)   - [(bpy.types.LineStyleAlphaModifier_Material attribute)](bpy.types.LineStyleAlphaModifier_Material.html#bpy.types.LineStyleAlphaModifier_Material.expanded)   - [(bpy.types.LineStyleAlphaModifier_Noise attribute)](bpy.types.LineStyleAlphaModifier_Noise.html#bpy.types.LineStyleAlphaModifier_Noise.expanded)   - [(bpy.types.LineStyleAlphaModifier_Tangent attribute)](bpy.types.LineStyleAlphaModifier_Tangent.html#bpy.types.LineStyleAlphaModifier_Tangent.expanded)   - [(bpy.types.LineStyleColorModifier_AlongStroke attribute)](bpy.types.LineStyleColorModifier_AlongStroke.html#bpy.types.LineStyleColorModifier_AlongStroke.expanded)   - [(bpy.types.LineStyleColorModifier_CreaseAngle attribute)](bpy.types.LineStyleColorModifier_CreaseAngle.html#bpy.types.LineStyleColorModifier_CreaseAngle.expanded)   - [(bpy.types.LineStyleColorModifier_Curvature_3D attribute)](bpy.types.LineStyleColorModifier_Curvature_3D.html#bpy.types.LineStyleColorModifier_Curvature_3D.expanded)   - [(bpy.types.LineStyleColorModifier_DistanceFromCamera attribute)](bpy.types.LineStyleColorModifier_DistanceFromCamera.html#bpy.types.LineStyleColorModifier_DistanceFromCamera.expanded)   - [(bpy.types.LineStyleColorModifier_DistanceFromObject attribute)](bpy.types.LineStyleColorModifier_DistanceFromObject.html#bpy.types.LineStyleColorModifier_DistanceFromObject.expanded)   - [(bpy.types.LineStyleColorModifier_Material attribute)](bpy.types.LineStyleColorModifier_Material.html#bpy.types.LineStyleColorModifier_Material.expanded)   - [(bpy.types.LineStyleColorModifier_Noise attribute)](bpy.types.LineStyleColorModifier_Noise.html#bpy.types.LineStyleColorModifier_Noise.expanded)   - [(bpy.types.LineStyleColorModifier_Tangent attribute)](bpy.types.LineStyleColorModifier_Tangent.html#bpy.types.LineStyleColorModifier_Tangent.expanded)   - [(bpy.types.LineStyleGeometryModifier_2DOffset attribute)](bpy.types.LineStyleGeometryModifier_2DOffset.html#bpy.types.LineStyleGeometryModifier_2DOffset.expanded)   - [(bpy.types.LineStyleGeometryModifier_2DTransform attribute)](bpy.types.LineStyleGeometryModifier_2DTransform.html#bpy.types.LineStyleGeometryModifier_2DTransform.expanded)   - [(bpy.types.LineStyleGeometryModifier_BackboneStretcher attribute)](bpy.types.LineStyleGeometryModifier_BackboneStretcher.html#bpy.types.LineStyleGeometryModifier_BackboneStretcher.expanded)   - [(bpy.types.LineStyleGeometryModifier_BezierCurve attribute)](bpy.types.LineStyleGeometryModifier_BezierCurve.html#bpy.types.LineStyleGeometryModifier_BezierCurve.expanded)   - [(bpy.types.LineStyleGeometryModifier_Blueprint attribute)](bpy.types.LineStyleGeometryModifier_Blueprint.html#bpy.types.LineStyleGeometryModifier_Blueprint.expanded)   - [(bpy.types.LineStyleGeometryModifier_GuidingLines attribute)](bpy.types.LineStyleGeometryModifier_GuidingLines.html#bpy.types.LineStyleGeometryModifier_GuidingLines.expanded)   - [(bpy.types.LineStyleGeometryModifier_PerlinNoise1D attribute)](bpy.types.LineStyleGeometryModifier_PerlinNoise1D.html#bpy.types.LineStyleGeometryModifier_PerlinNoise1D.expanded)   - [(bpy.types.LineStyleGeometryModifier_PerlinNoise2D attribute)](bpy.types.LineStyleGeometryModifier_PerlinNoise2D.html#bpy.types.LineStyleGeometryModifier_PerlinNoise2D.expanded)   - [(bpy.types.LineStyleGeometryModifier_Polygonalization attribute)](bpy.types.LineStyleGeometryModifier_Polygonalization.html#bpy.types.LineStyleGeometryModifier_Polygonalization.expanded)   - [(bpy.types.LineStyleGeometryModifier_Sampling attribute)](bpy.types.LineStyleGeometryModifier_Sampling.html#bpy.types.LineStyleGeometryModifier_Sampling.expanded)   - [(bpy.types.LineStyleGeometryModifier_Simplification attribute)](bpy.types.LineStyleGeometryModifier_Simplification.html#bpy.types.LineStyleGeometryModifier_Simplification.expanded)   - [(bpy.types.LineStyleGeometryModifier_SinusDisplacement attribute)](bpy.types.LineStyleGeometryModifier_SinusDisplacement.html#bpy.types.LineStyleGeometryModifier_SinusDisplacement.expanded)   - [(bpy.types.LineStyleGeometryModifier_SpatialNoise attribute)](bpy.types.LineStyleGeometryModifier_SpatialNoise.html#bpy.types.LineStyleGeometryModifier_SpatialNoise.expanded)   - [(bpy.types.LineStyleGeometryModifier_TipRemover attribute)](bpy.types.LineStyleGeometryModifier_TipRemover.html#bpy.types.LineStyleGeometryModifier_TipRemover.expanded)   - [(bpy.types.LineStyleThicknessModifier_AlongStroke attribute)](bpy.types.LineStyleThicknessModifier_AlongStroke.html#bpy.types.LineStyleThicknessModifier_AlongStroke.expanded)   - [(bpy.types.LineStyleThicknessModifier_Calligraphy attribute)](bpy.types.LineStyleThicknessModifier_Calligraphy.html#bpy.types.LineStyleThicknessModifier_Calligraphy.expanded)   - [(bpy.types.LineStyleThicknessModifier_CreaseAngle attribute)](bpy.types.LineStyleThicknessModifier_CreaseAngle.html#bpy.types.LineStyleThicknessModifier_CreaseAngle.expanded)   - [(bpy.types.LineStyleThicknessModifier_Curvature_3D attribute)](bpy.types.LineStyleThicknessModifier_Curvature_3D.html#bpy.types.LineStyleThicknessModifier_Curvature_3D.expanded)   - [(bpy.types.LineStyleThicknessModifier_DistanceFromCamera attribute)](bpy.types.LineStyleThicknessModifier_DistanceFromCamera.html#bpy.types.LineStyleThicknessModifier_DistanceFromCamera.expanded)   - [(bpy.types.LineStyleThicknessModifier_DistanceFromObject attribute)](bpy.types.LineStyleThicknessModifier_DistanceFromObject.html#bpy.types.LineStyleThicknessModifier_DistanceFromObject.expanded)   - [(bpy.types.LineStyleThicknessModifier_Material attribute)](bpy.types.LineStyleThicknessModifier_Material.html#bpy.t