- # your code goes here 
- def transform_line(line): 
-     lines = [] 
-     while line != "": 
-         if line.find("1")!=-1: 
-             print("O") 
-             line = next(osrc); 
-             lines.append(line) 
-         elif line.find("+")!=-1: 
-             print("U") 
-             line = next(osrc); 
-             lines.append(line) 
-         elif line.find("-")!=-1: 
-             print("U") 
-             line = next(osrc); 
-             lines.append(line) 
-         else: 
-             print("nope") 
-             break; 
-     return lines 
-   
- with open("./testStage1.txt", 'r') as osrc: 
-     osrc.seek(291) 
-     line = next(osrc); 
-     lines = transform_line(line) 
-     print "\n".join(lines) 
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