45 def print_tb(tb, limit=None, file=None):  argument
55 def format_tb(tb, limit=None):  argument
59 def extract_tb(tb, limit=None):  argument
87 def print_exception(etype, value, tb, limit=None, file=None, chain=True):  argument
108 def format_exception(etype, value, tb, limit=None, chain=True):  argument
161 def print_exc(limit=None, file=None, chain=True):  argument
165 def format_exc(limit=None, chain=True):  argument
169 def print_last(limit=None, file=None, chain=True):  argument
181 def print_stack(f=None, limit=None, file=None):  argument
193 def format_stack(f=None, limit=None):  argument
200 def extract_stack(f=None, limit=None):  argument
322     def extract(klass, frame_gen, *, limit=None, lookup_lines=True,  argument
468     def __init__(self, exc_type, exc_value, exc_traceback, *, limit=None,  argument