code: def predict(self, X):
      return X.dot(self.weights)
  
file_path: fairlearn/test/unit/reductions/exponentiated_gradient/simple_learners.py
imports: import numpy
  import pandas
label_desc: Use image node_id 3 for calling the LeastSquaresRegressor obj's underlying member method code with example usage: obj.predict(X) and returns: X