def print_environ_usage():
 print '\n<H3>These environment variables could have been set:</H3>\n<UL>\n<LI>AUTH_TYPE\n<LI>CONTENT_LENGTH\n<LI>CONTENT_TYPE\n<LI>DATE_GMT\n<LI>DATE_LOCAL\n<LI>DOCUMENT_NAME\n<LI>DOCUMENT_ROOT\n<LI>DOCUMENT_URI\n<LI>GATEWAY_INTERFACE\n<LI>LAST_MODIFIED\n<LI>PATH\n<LI>PATH_INFO\n<LI>PATH_TRANSLATED\n<LI>QUERY_STRING\n<LI>REMOTE_ADDR\n<LI>REMOTE_HOST\n<LI>REMOTE_IDENT\n<LI>REMOTE_USER\n<LI>REQUEST_METHOD\n<LI>SCRIPT_NAME\n<LI>SERVER_NAME\n<LI>SERVER_PORT\n<LI>SERVER_PROTOCOL\n<LI>SERVER_ROOT\n<LI>SERVER_SOFTWARE\n</UL>\nIn addition, HTTP headers sent by the server may be passed in the\nenvironment as well.  Here are some common variable names:\n<UL>\n<LI>HTTP_ACCEPT\n<LI>HTTP_CONNECTION\n<LI>HTTP_HOST\n<LI>HTTP_PRAGMA\n<LI>HTTP_REFERER\n<LI>HTTP_USER_AGENT\n</UL>\n'

def print_environ_usage ( ) : print '\n<H3>These environment variables could have been set:</H3>\n<UL>\n<LI>AUTH_TYPE\n<LI>CONTENT_LENGTH\n<LI>CONTENT_TYPE\n<LI>DATE_GMT\n<LI>DATE_LOCAL\n<LI>DOCUMENT_NAME\n<LI>DOCUMENT_ROOT\n<LI>DOCUMENT_URI\n<LI>GATEWAY_INTERFACE\n<LI>LAST_MODIFIED\n<LI>PATH\n<LI>PATH_INFO\n<LI>PATH_TRANSLATED\n<LI>QUERY_STRING\n<LI>REMOTE_ADDR\n<LI>REMOTE_HOST\n<LI>REMOTE_IDENT\n<LI>REMOTE_USER\n<LI>REQUEST_METHOD\n<LI>SCRIPT_NAME\n<LI>SERVER_NAME\n<LI>SERVER_PORT\n<LI>SERVER_PROTOCOL\n<LI>SERVER_ROOT\n<LI>SERVER_SOFTWARE\n</UL>\nIn addition, HTTP headers sent by the server may be passed in the\nenvironment as well.  Here are some common variable names:\n<UL>\n<LI>HTTP_ACCEPT\n<LI>HTTP_CONNECTION\n<LI>HTTP_HOST\n<LI>HTTP_PRAGMA\n<LI>HTTP_REFERER\n<LI>HTTP_USER_AGENT\n</UL>\n'
dump a list of environment variables used by cgi as html .