class_docstr: Probabilistic set membership testing for large sets
class_docstr_tok: ["Probabilistic","set","membership","testing","for","large","sets"]
code: def __iadd__(self, key):
      self.add(key)
      return self
  
imports: import array
  import math
  import os
  import random
label_desc: Use image node_id 4 for calling the BloomFilter obj's underlying member method code with example usage: obj.__iadd__(key) and returns: self