def plot_prof_1(self, mod, species, xlim1, xlim2, ylim1, ylim2,<EOL>symbol=None):
DataPlot.plot_prof_1(self,species,mod,xlim1,xlim2,ylim1,ylim2,symbol)<EOL>"""<STR_LIT>"""<EOL>
plot one species for cycle between xlim1 and xlim2

Parameters
----------
mod : string or integer
    Model to plot, same as cycle number.
species : list
    Which species to plot.
xlim1, xlim2 : float
    Mass coordinate range.
ylim1, ylim2 : float
    Mass fraction coordinate range.
symbol : string, optional
    Which symbol you want to use.  If None symbol is set to '-'.
    The default is None.