..method::str.join(iterable)

Return a string which is the concatenation of the strings inthe

:term:`iterable` *iterable*.A:exc:`TypeError` will be raised if there are

any non-string values in*iterable*, including:class:`bytes` objects. The

separator betweenelements is the string providing this method.

Return a string which is the concatenation of the strings in*iterable*.

A:exc:`TypeError` will be raised if there are any non-string values in

*iterable*, including:class:`bytes` objects. The separator between

elements is the string providing this method.

..method::str.ljust(width[, fillchar])

bytearray.join(iterable)

Return a bytes or bytearray object which is the concatenation of the

binary data sequences inthe:term:`iterable` *iterable*. A

:exc:`TypeError` will be raisedif there are any values in *iterable*

that are not:term:`bytes-likeobjects <bytes-like object>`, including

:class:`str` objects. Theseparator between elements is the contents

of the bytes orbytearray object providing this method.

binary data sequences in*iterable*. A:exc:`TypeError` will be raised

if there are any values in *iterable* that are not:term:`bytes-like

objects <bytes-like object>`, including:class:`str` objects. The

separator between elements is the contents of the bytes or

bytearray object providing this method.

..staticmethod::bytes.maketrans(from, to)