1  def test_line():
       2      a = 1
       3      print('# Preamble', a)
       4      for i in range(2):
       5          a = i
       6          b = i+2
       7          c = i+3
       8          if c < 4:
       9              a = c
      10          d = a + b +c
      11          print('#', a, b, c, d)
      12      a = 1
      13      print('# Epilogue', a)
      14  
      15  
      16  if __name__ == '__main__':
      17      test_line()