text: import pandas as pd
  import statistics
  from scipy.stats import pearsonr
  
  sp500=pd.read_csv("sp21.csv",index_col="Date")
  print(sp500["Close"].mean())
  print(sp500["Close"].std())
  print(sp500["Close"].skew())
  type(sp500.ix["2001-01-02"])
  pearsonr(sp500["Volume"],sp500["Close"])
  
  