code: def SE_calc(item1, item2):
      """
      Calculate standard error with binomial distribution.
  
      :param item1: parameter
      :type  item1: float
      :param item2: number of observations
      :type item2: int
      :return: standard error as float
      """
      try:
          return math.sqrt((item1 * (1 - item1)) / item2)
      except Exception:
          return "None"
  
file_path: pycm/pycm/pycm_ci.py
imports: from __future__ import division
  import math
label_desc: Use image node_id 7 for calling a global function with example usage: SE_calc(item1, item2) and returns: math, str