def print_loading(self, wait, message):
tags = ['<STR_LIT:\\>', '<STR_LIT:|>', '<STR_LIT:/>', '<STR_LIT:->']<EOL>for i in range(wait):<EOL><INDENT>time.sleep(<NUM_LIT>)<EOL>sys.stdout.write("<STR_LIT>" % {<EOL>'<STR_LIT:message>': message,<EOL>'<STR_LIT>': tags[i % <NUM_LIT:4>]<EOL>})<EOL>sys.stdout.flush()<EOL>pass<EOL><DEDENT>sys.stdout.write("<STR_LIT>" % message)<EOL>sys.stdout.flush()<EOL>pass<EOL>
print loading message on screen

.. note::

    loading message only write to `sys.stdout`


:param int wait: seconds to wait
:param str message: message to print
:return: None