def species_list(what_list):
if what_list is "<STR_LIT>":<EOL><INDENT>list_to_print = ['<STR_LIT>','<STR_LIT>','<STR_LIT>','<STR_LIT>','<STR_LIT>','<STR_LIT>']<EOL><DEDENT>elif what_list is "<STR_LIT>":<EOL><INDENT>list_to_print = ['<STR_LIT>','<STR_LIT>','<STR_LIT>','<STR_LIT>','<STR_LIT>','<STR_LIT>','<STR_LIT>','<STR_LIT>','<STR_LIT>','<STR_LIT>']<EOL><DEDENT>elif what_list is "<STR_LIT>":<EOL><INDENT>list_to_print = ['<STR_LIT>','<STR_LIT>','<STR_LIT>','<STR_LIT>','<STR_LIT>','<STR_LIT>']<EOL><DEDENT>elif what_list is "<STR_LIT>":<EOL><INDENT>list_to_print = ['<STR_LIT>','<STR_LIT>','<STR_LIT>','<STR_LIT>','<STR_LIT>','<STR_LIT>','<STR_LIT>','<STR_LIT>','<STR_LIT>','<STR_LIT>','<STR_LIT>','<STR_LIT>','<STR_LIT>','<STR_LIT>','<STR_LIT>','<STR_LIT>','<STR_LIT>','<STR_LIT>','<STR_LIT>']<EOL><DEDENT>return list_to_print<EOL>
provide default lists of elements to plot.

what_list : string
    String name of species lists provided.

    If what_list is "CNONe", then C, N, O and some other light
    elements.

    If what_list is "s-process", then s-process indicators.