@spiceErrorCheck<EOL>def insrtc(item, inset):
assert isinstance(inset, stypes.SpiceCell)<EOL>if isinstance(item, list):<EOL><INDENT>for c in item:<EOL><INDENT>libspice.insrtc_c(stypes.stringToCharP(c), ctypes.byref(inset))<EOL><DEDENT><DEDENT>else:<EOL><INDENT>item = stypes.stringToCharP(item)<EOL>libspice.insrtc_c(item, ctypes.byref(inset))<EOL><DEDENT>
Insert an item into a character set.

http://naif.jpl.nasa.gov/pub/naif/toolkit_docs/C/cspice/insrtc_c.html

:param item: Item to be inserted.
:type item: str or list of str
:param inset: Insertion set.
:type inset: spiceypy.utils.support_types.SpiceCell