code: def testing(n, times):
      count = 0
      for i in range(times):
          x, bits = 1, 0
          while not (bits & x):
              count += 1
              bits |= x
              x = 1 << randrange(n)
      return count / times
  
imports: from math import factorial
  from random import randrange
label_desc: Use image node_id 2 for calling a global function with example usage: testing(n, times) and returns: unknown