43 def print_tb(tb, limit=None, file=None):  argument
53 def format_tb(tb, limit=None):  argument
57 def extract_tb(tb, limit=None):  argument
83 def print_exception(etype, value, tb, limit=None, file=None, chain=True):  argument
104 def format_exception(etype, value, tb, limit=None, chain=True):  argument
157 def print_exc(limit=None, file=None, chain=True):  argument
161 def format_exc(limit=None, chain=True):  argument
165 def print_last(limit=None, file=None, chain=True):  argument
177 def print_stack(f=None, limit=None, file=None):  argument
189 def format_stack(f=None, limit=None):  argument
196 def extract_stack(f=None, limit=None):  argument
314     def extract(klass, frame_gen, *, limit=None, lookup_lines=True,  argument
454     def __init__(self, exc_type, exc_value, exc_traceback, *, limit=None,  argument