comefrom: <qiyuangong>186_Reverse_Words_in_a_String_II_1.py
code: def reverse( array_s, begin, end):
      for i in range((end - begin) / 2):
          array_s[begin + i], array_s[end - i - 1] = array_s[end - i - 1], array_s[begin + i]
masked: def sample_funcname ( var_0 , var_1 , var_2 ) :
      for var_5 in range ( ( var_2 - var_1 ) / 2 ) :
          var_0 [ var_1 + var_5 ] , var_0 [ var_2 - var_5 - 1 ] = var_0 [ var_2 - var_5 - 1 ] , var_0 [ var_1 + var_5 ]
  