class_docstr: Represents a set of return edges.
  
  All return edges in an interval induce a same constraint on the contained
  edges, which means that all edges must either have a left orientation or
  all edges must have a right orientation.
class_docstr_tok: ["Represents","a","set","of","return","edges",".","All","return","edges","in","an","interval","induce","a","same","constraint","on","the","contained","edges",",","which","means","that","all","edges","must","either","have","a","left","orientation","or","all","edges","must","have","a","right","orientation","."]
docstr: Returns a copy of this interval
docstr_tok: ["Returns","a","copy","of","this","interval"]
code: def copy(self):
      """Returns a copy of this interval"""
      return Interval(self.low, self.high)
  
imports: from collections import defaultdict
  import networkx
label_desc: Use image node_id 3 for calling the Interval obj's underlying member method code with example usage: obj.copy() and returns: Interval