(-1, -1)     Module               	prefix=||	suffix=||	indent=||
(1, 0)       FunctionDef a        	prefix=||	suffix=||	indent=||
(4, 0)       FunctionDef c        	prefix=|\n|	suffix=||	indent=||
(-1, -1)     arguments            	prefix=||	suffix=||	indent=||
(2, 2)       Nonlocal             	prefix=|  |	suffix=|\n|	indent=|  |
(-1, -1)     arguments            	prefix=||	suffix=||	indent=||
(5, 2)       Nonlocal             	prefix=|  |	suffix=|\n|	indent=|  |
