def parse_stuple(s,length=<NUM_LIT:2>):
if parse_utuple(s, isrx_s, length=length) is None:<EOL><INDENT>raise ValueError("<STR_LIT>".format(s));<EOL><DEDENT>s = quote_subs(s);<EOL>return evalt(s)<EOL>
parse a string of strings. Don't quote strings