old_contents: import fyn
  import pandas as pd
  
  price_data = pd.read_csv("pricedata.csv", index_col=0)
  
  analysis = fyn.fyn(price_df=price_data)
  
  analysis.key_metrics()
  
new_contents: from fyn import fyn
  import pandas as pd
  
  price_data = pd.read_csv("pricedata.csv", index_col=0)
  
  analysis = fyn(price_df=price_data)
  
  analysis.key_metrics()
  
subject: update example