code: def get_random_string(length):
      letters = string.ascii_lowercase + string.ascii_uppercase
      result_str = "".join(
          random.choice(letters) for i in range(length)
      )
      return result_str
  
imports: from imports import *
  from plotly_graphs import *
  from protodash import *
  from insights import *
  from plotly_css import *
  import pandasql
  import string
  import random
  import os
  from apps import global_explanation, local_explanation, distribution, feature_interaction, cohort
  from app import app
  from what_if import *
  from calculate_shap import *
  from analytics import Analytics
  from cohort_analysis import *
label_desc: Use image node_id 2 for calling a global function with example usage: get_random_string(length) and returns: result_str