class_docstr: Probabilistic set membership testing for large sets
class_docstr_tok: ["Probabilistic","set","membership","testing","for","large","sets"]
docstr: Add an element to the filter
code: def add(self, key):
      """Add an element to the filter"""
      for bitno in self.probe_bitnoer(self, key):
          self.backend.set(bitno)
  
imports: import array
  import math
  import os
  import random
label_desc: Use image node_id 3 for calling the BloomFilter obj's underlying member method code with example usage: obj.add(key) without return types