docs: def plot_prof_1(self, species, keystring, xlim1, xlim2, ylim1,
                      ylim2, symbol=None, show=False):
          '''
          Plot one species for cycle between xlim1 and xlim2 Only works
          with instances of se and mesa _profile.
  
          Parameters
          ----------
          species : list
              Which species to plot.
          keystring : string or integer
              Label that appears in the plot or in the case of se, a
              cycle.
          xlim1, xlim2 : integer or float
              Mass coordinate range.
          ylim1, ylim2 : integer or float
              Mass fraction coordinate range.
          symbol : string, optional
              Which symbol you want to use.  If None symbol is set to '-'.
              The default is None.
          show : boolean, optional
              Show the ploted graph.  The default is False.
  
          '''
          plotType=self._classTest()
          if plotType=='se':
              #tot_mass=self.se.get(keystring,'total_mass')
              tot_mass=self.se.get('mini')
              age=self.se.get(keystring,'age')
              mass=self.se.get(keystring,'mass')
              Xspecies=self.se.get(keystring,'iso_massf',species)
  
              mod=keystring
          elif plotType=='mesa_profile':
              tot_mass=self.header_attr['star_mass']
              age=self.header_attr['star_age']
              mass=self.get('mass')
              mod=self.header_attr['model_number']
              Xspecies=self.get(species)
          else:
              print('This method is not supported for '+str(self.__class__))
              return
  
          if symbol == None:
              symbol = '-'
  
          x,y=self._logarithm(Xspecies,mass,True,False,10)
          #print x
          pl.plot(y,x,symbol,label=str(species))
          pl.xlim(xlim1,xlim2)
          pl.ylim(ylim1,ylim2)
          pl.legend()
  
          pl.xlabel('$Mass$ $coordinate$', fontsize=20)
          pl.ylabel('$X_{i}$', fontsize=20)
          #pl.title('Mass='+str(tot_mass)+', Time='+str(age)+' years, cycle='+str(mod))
          pl.title('Mass='+str(tot_mass)+', cycle='+str(mod))
          if show:
              pl.show()