code: def reduce_alias_table(alias_table):
      
      for alias in alias_table.sections():
          if alias_table.has_option(alias, 'command'):
              yield (alias, alias_table.get(alias, 'command'))
docs: Reduce the alias table to a tuple that contains the alias and the command that the alias points to.
  
      Args:
          The alias table to be reduced.
  
      Yields
          A tuple that contains the alias and the command that the alias points to.