46 def lower(s):  argument
55 def upper(s):  argument
64 def swapcase(s):  argument
74 def strip(s):  argument
84 def lstrip(s):  argument
93 def rstrip(s):  argument
104 def split(s, sep=None, maxsplit=0):  argument
136 def index(s, *args):  argument
145 def rindex(s, *args):  argument
154 def count(s, *args):  argument
165 def find(s, *args):  argument
178 def rfind(s, *args):  argument
197 def atof(s):  argument
265 def ljust(s, width):  argument
278 def rjust(s, width):  argument
291 def center(s, width):  argument
328 def expandtabs(s, tabsize=8):  argument
347 def translate(s, table, deletions=""):  argument
359 def capitalize(s):  argument
369 def capwords(s, sep=None):  argument
402 def replace(s, old, new, maxsplit=0):  argument