equal
  deleted
  inserted
  replaced
  
    
    
     1   | 
     1   | 
         | 
     2 import CW7a._  | 
     2   | 
     3   | 
     3 assert(clean("ab a abc") == List("ab", "a", "abc")) | 
     4 assert(clean("ab a abc") == List("ab", "a", "abc")) | 
     4   | 
         | 
     5   | 
         | 
     6 assert(clean("ab*a abc1") == List("ab", "a", "abc1")) | 
     5 assert(clean("ab*a abc1") == List("ab", "a", "abc1")) |