text: from dask import dataframe
  
  a = dataframe.read_csv("/home/ad1/PycharmProjects/MapReduce/SQL-manager/A.csv", sep=",")
  b = dataframe.read_csv("/home/ad1/PycharmProjects/MapReduce/SQL-manager/B.csv")
  a = a.drop()
  
  a.merge(b)
  