text: 
  
  
  arcpy.AddField_management(in_table="Riffle_channel", 
                            field_name="Seq_1", 
                            field_type="LONG", 
                            field_is_nullable="NULLABLE", 
                            field_is_required="NON_REQUIRED")
  
  
  arcpy.CalculateField_management(in_table="Riffle_channel", 
                                  field="Seq_1", 
                                  expression="!SEQ!", 
                                  expression_type="PYTHON")
  
  
  arcpy.DeleteField_management(in_table="Riffle_channel", 
                               drop_field="SEQ")
  
  arcpy.AddField_management(in_table="Riffle_channel", 
                            field_name="Seq", 
                            field_type="LONG", 
                            field_alias="Seq", 
                            field_is_nullable="NULLABLE", 
                            field_is_required="NON_REQUIRED")
  
  
  arcpy.CalculateField_management(in_table="Riffle_channel", 
                                  field="Seq", 
                                  expression="!Seq_1!", 
                                  expression_type="PYTHON")
  
  
  arcpy.DeleteField_management(in_table="Riffle_channel", 
                               drop_field="Seq_1")