(self)
return '\r\n'.join(["%s: %s" % kv for kv in self._headers]+['',''])
str() returns the formatted headers, complete with end line,
        suitable for direct HTTP transmission.
str() returns the formatted headers, complete with end line,
        suitable for direct HTTP transmission.
str () returns the formatted headers complete with end line suitable for direct HTTP transmission .
def __str__(self):
        """str() returns the formatted headers, complete with end line,
        suitable for direct HTTP transmission."""
        return '\r\n'.join(["%s: %s" % kv for kv in self._headers]+['',''])
def __str__ ( self ) : return '\r\n' . join ( [ "%s: %s" % kv for kv in self . _headers ] + [ '' , '' ] )