This module performs base64 encoding and decoding of arbitrary binary
strings into text strings that can be safely sent by email or included
as part of an HTTP POST request. The
encoding scheme is defined in RFC 1521 (MIME
(Multipurpose Internet Mail Extensions) Part One: Mechanisms for
Specifying and Describing the Format of Internet Message Bodies,
section 5.2, ``Base64 Content-Transfer-Encoding'') and is used for
MIME email and various other Internet-related applications; it is not
the same as the output produced by the uuencode program.
For example, the string
'www.python.org' is encoded as the
input.read()returns an empty string.
input.read()returns an empty string. encode() returns the encoded data plus a trailing newline character (