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  _  __     ___      ______   _    _     ______  
 | |/ //   / _ \\   /_____// | || | ||  /_   _// 
 | ' //   | / \ ||  `____ `  | || | ||    | ||   
 | . \\   | \_/ ||  /___//   | \\_/ ||   _| ||   
 |_|\_\\   \___//   `__ `     \____//   /__//    
 `-` --`   `---`    /_//       `---`    `--`     
                    `-`

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Text this: Learning under concept drift with follow the regularized leader and adaptive decaying proximal