code: def store_data_in_csv(self, df, graph_type, random_str):
      df.to_csv(
          "./data_storage/{}/{}.csv".format(graph_type, random_str),
          index=False,
      )
  
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 7 for calling the dashboard obj's underlying member method code with example usage: obj.store_data_in_csv(df, graph_type, random_str) without return types