python不支持的数据类型有哪些

>>> import sys
>>> sys.getsizeof('')
37
>>> sys.getsizeof('a')
38

typedef struct {
 PyObject_VAR_HEAD
 long ob_shash;
 int ob_sstate;
 char ob_sval[1];

 /* Invariants:
 * ob_sval contains space for 'ob_size+1' elements.
 * ob_sval[ob_size] == 0.
 * ob_shash is the hash of the string or -1 if not computed yet.
 * ob_sstate != 0 iff the string object is in stringobject.c's
 * 'interned' dictionary; in this case the two references
 * from 'interned' to this object are *not counted* in ob_refcnt.
 */
} PyStringObject;

typedef struct {
 PyObject_HEAD
 long ob_ival;
} PyIntObject;