class_docstr: Stores all actual data and typing information for an entityset
  
  Attributes:
      id
      dataframe_dict
      relationships
      time_type
  
  Properties:
      metadata
class_docstr_tok: ["Stores","all","actual","data","and","typing","information","for","an","entityset","Attributes",":","id","dataframe_dict","relationships","time_type","Properties",":","metadata"]
docstr: Add multiple new relationships to a entityset
  
  Args:
      relationships (list[tuple(str, str, str, str)] or list[Relationship]) : List of
          new relationships to add. Relationships are specified either as a :class:`.Relationship`
          object or a four element tuple identifying the parent and child columns:
          (parent_dataframe_name, parent_column_name, child_dataframe_name, child_column_name)
docstr_tok: ["Add","multiple","new","relationships","to","a","entityset","Args",":","relationships","(","list","[","tuple","(","str",",","str",",","str",",","str",")","]","or","list","[","Relationship","]",")",":","List","of","new","relationships","to","add",".","Relationships","are","specified","either","as","a",":","class",":","`",".Relationship","`","object","or","a","four","element","tuple","identifying","the","parent","and","child","columns",":","(","parent_dataframe_name",",","parent_column_name",",","child_dataframe_name",",","child_column_name",")"]
code: def add_relationships(self, relationships):
      """Add multiple new relationships to a entityset
  
      Args:
          relationships (list[tuple(str, str, str, str)] or list[Relationship]) : List of
              new relationships to add. Relationships are specified either as a :class:`.Relationship`
              object or a four element tuple identifying the parent and child columns:
              (parent_dataframe_name, parent_column_name, child_dataframe_name, child_column_name)
      """
      for rel in relationships:
          if isinstance(rel, Relationship):
              self.add_relationship(relationship=rel)
          else:
              self.add_relationship(*rel)
      return self
  
imports: import copy
  import logging
  import warnings
  from collections import defaultdict
  import numpy
  import pandas
  from woodwork import init_series
  from woodwork.logical_types import Datetime, LatLong
  from featuretools.entityset import deserialize, serialize
  from featuretools.entityset.relationship import Relationship, RelationshipPath
  from featuretools.feature_base.feature_base import _ES_REF
  from featuretools.utils.gen_utils import Library, import_or_none, is_instance
  from featuretools.utils.plot_utils import check_graphviz, get_graphviz_format, save_graph
  from featuretools.utils.wrangle import _check_timedelta
label_desc: Use image node_id 17 for calling the EntitySet obj's underlying member method code with example usage: obj.add_relationships(relationships) and returns: self