class_docstr: Entity is the basic data type in DataCollection.
  
  Users can create an Entity with free schema, which means there is no limit on
  attribute name and type.
  
  Exampels:
      >>> from towhee.datacollection.entity import Entity
      >>> e = Entity(a=1, b=2)
      >>> e
      <Entity dict_keys(['a', 'b'])>
      >>> e.a
      1
      >>> e.b
      2
docstr: Combine entities.
  
  Args:
      entities (Entity): The entities to be added into self.
  
  Examples:
      >>> from towhee.datacollection.entity import Entity
      >>> e = Entity(a = 1, b = 2)
      >>> b = Entity(c = 3, d = 4)
      >>> c = Entity(e = 5, f = 6)
      >>> e.combine(b, c)
      >>> str(e)
      "{'a': 1, 'b': 2, 'c': 3, 'd': 4, 'e': 5, 'f': 6}"
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code: def combine(self, *entities):
      """
      Combine entities.
  
      Args:
          entities (Entity): The entities to be added into self.
  
      Examples:
          >>> from towhee.datacollection.entity import Entity
          >>> e = Entity(a = 1, b = 2)
          >>> b = Entity(c = 3, d = 4)
          >>> c = Entity(e = 5, f = 6)
          >>> e.combine(b, c)
          >>> str(e)
          "{'a': 1, 'b': 2, 'c': 3, 'd': 4, 'e': 5, 'f': 6}"
      """
      for x in entities:
          self.__dict__.update(x.__dict__)
  
imports: from typing import Dict, Any
label_desc: Use image node_id 5 for calling the Entity obj's underlying member method code with example usage: obj.combine() without return types