new_contents: import numpy as np
  from sklearn.cross_decomposition import CCA
  from sklearn.externals import joblib
  
  A1 = np.array(np.random.rand(100000,5000),dtype = "f2")
  A2 = np.array(np.random.rand(100000,5000),dtype = "f2")
  
  A3 = A1.tolist()
  A4 = A2.tolist()
  cca = CCA(n_components=1000)
  cca.fit(A3,A4)
  
  
  
  
  
subject: test CCA