Update execute.py

execute.py

@@ -84,7 +84,7 @@ def unsafe_execute(check_program, output, task_id, result, timeout):
                 exit_code = p.returncode
                 if stderrdata != '':
                     raise BaseException(stderrdata)
-                if stdoutdata.strip() == output[task_id].strip():            
+                if stdoutdata.lstrip().rstrip() == output[task_id].lstrip().rstrip():            
                     result.append("passed")
                 else:
                     result.append("not passed")