Lib/tkinter/tix.py (23 lines):
	- line 525: # FIXME: It should inherit -superclass tixShell
	- line 576: # FIXME: It should inherit -superclass tixLabelWidget
	- line 620: # FIXME: It should inherit -superclass tixLabelWidget
	- line 651: # FIXME: It should inherit -superclass tixScrolledHList
	- line 673: # FIXME: It should inherit -superclass tixScrolledHList
	- line 745: # FIXME: It should inherit -superclass tixDialogShell
	- line 768: # FIXME: It should inherit -superclass tixDialogShell
	- line 816: # FIXME: It should inherit -superclass tixStdDialogShell
	- line 840: # FIXME: It should inherit -superclass tixLabelWidget
	- line 851: # FIXME: return python object
	- line 1175: # FIXME: This is dangerous to expose to be called on its own.
	- line 1258: # FIXME: It should inherit -superclass tixShell
	- line 1300: # FIXME: It should inherit -superclass tixScrolledWidget
	- line 1311: # FIXME: It should inherit -superclass tixScrolledWidget
	- line 1321: # FIXME: It should inherit -superclass tixScrolledWidget
	- line 1331: # FIXME: It should inherit -superclass tixScrolledWidget
	- line 1342: # FIXME: It should inherit -superclass tixScrolledWidget
	- line 1355: # FIXME: It should inherit -superclass tixLabelWidget
	- line 1387: # FIXME: It should inherit from  Shell
	- line 1507: # FIXME: It should inherit -superclass tixScrolledWidget
	- line 1554: # FIXME: It should inherit -superclass tixTree
	- line 1766: # FIXME: It should inherit -superclass tixScrolledWidget
	- line 1942: # FIXME: It should inherit -superclass tixScrolledWidget


Lib/compiler/static/types.py (11 lines):
	- line 225: # TODO uses of these to check if something is a CInt wrongly exclude literals
	- line 1609: # TODO: There's more checking we should be doing to ensure
	- line 1632: # TODO we could allow covariant type overrides for Final attributes
	- line 1780: # TODO: We can't compile w/ unknown bases
	- line 2422: # TODO: handle duplicate args and other weird stuff a-la
	- line 2454: # TODO: add support for this by implementing type constrained tuples
	- line 3671: # TODO currently this type (the type the bound method was accessed
	- line 5930: # TODO support multi-value literal types
	- line 5944: # TODO support more literal types
	- line 6110: # TODO this should be is_subtype_of once we split that from can_assign_from
	- line 6751: # TODO add CheckedList to SEQUENCE_SET so we can emit that instead


Lib/idlelib/config.py (9 lines):
	- line 55: # TODO Use default as fallback, at least if not None
	- line 160: self.cfg = {}  # TODO use to select userCfg vs defaultCfg
	- line 211: # TODO continue without userDIr instead of exit
	- line 307: # TODO copy theme from a class attribute.
	- line 438: if editor_only or shell_only:  # TODO both True contradict
	- line 468: extName = extn  # TODO return here?
	- line 545: # TODO (Ned?): the "Option" modifier does not work properly
	- line 581: # TODO make keyBindins a file or class attribute used for test above
	- line 877: # TODO Revise test output, write expanded unittest


Programs/_testembed.c (9 lines):
	- line 422: /* FIXME: test Py_IgnoreEnvironmentFlag */
	- line 459: /* FIXME: test Py_LegacyWindowsFSEncodingFlag */
	- line 460: /* FIXME: test Py_LegacyWindowsStdioFlag */
	- line 491: /* FIXME: test use_environment */
	- line 510: /* FIXME: test dump_refs: bpo-34223 */
	- line 548: /* FIXME: test pythonpath_env */
	- line 549: /* FIXME: test home */
	- line 550: /* FIXME: test path config: module_search_path .. dll_path */
	- line 573: /* FIXME: test parser_debug */


Python/classloader.c (6 lines):
	- line 1400: /* TODO: This can probably be a lot more efficient.  If a type
	- line 2292: // TODO: It might be possible to avoid the type-check in this situation, because while `tp` was patched,
	- line 2562: /* TODO: Non-type objects in mro? */
	- line 2563: /* TODO: Multiple inheritance */
	- line 3039: /* TODO: Should we gracefully handle when there are two
	- line 3451: /* TODO: Should we gracefully handle when there are two


Objects/dictobject.c (5 lines):
	- line 1553: * TODO: Try reusing oldkeys when reimplement odict.
	- line 2187: /* TODO: for correctness, we should update here new_value
	- line 4370: /* TODO: for correctness, we should update here new_value
	- line 4494: /* TODO: for correctness, we should update here new_value
	- line 4630: /* TODO: for correctness, we should update here new_value


Lib/compiler/static/type_binder.py (5 lines):
	- line 171: # TODO: What about del's?
	- line 574: # TODO this logic will be inadequate if we support metaclasses
	- line 681: # TODO: We should walk into the tuple/list and use it to infer
	- line 1577: # TODO today it should not be possible to hit this case, but in
	- line 1653: # TODO probably MethodType should itself be a Callable


Makefile.pre.in (5 lines):
	- line 713: @ # FIXME: can't run for a cross build
	- line 1620: # TODO re-enable when it doesn't crash on exit
	- line 1626: # TODO re-enable when it doesn't crash on exit
	- line 1632: # TODO re-enable when it doesn't crash on exit
	- line 1638: # TODO re-enable when it doesn't crash on exit


Lib/xml/etree/ElementPath.py (4 lines):
	- line 215: # FIXME: raise error if .. is applied at toplevel?
	- line 227: # FIXME: replace with real parser!!! refs:
	- line 314: # FIXME: what if the selector is "*" ?
	- line 347: path = path + "*" # implicit all (FIXME: keep this?)


Modules/_json.c (4 lines):
	- line 1604: /* TODO: DOES NOT RUN */
	- line 1697: /* TODO DOES NOT RUN; dead code
	- line 1763: /* TODO: DOES NOT RUN */
	- line 1786: /* TODO: DOES NOT RUN


Modules/_io/bufferedio.c (4 lines):
	- line 663: /* TODO: sanity check (err->written >= 0) */
	- line 1206: /* TODO: sanity check (pos >= 0) */
	- line 1289: /* TODO: align on block boundary and read buffer if needed? */
	- line 2044: /* TODO: sanity check (remaining >= 0) */


Lib/compiler/symbols.py (3 lines):
	- line 381: # TODO: this may be not correct, check.
	- line 476: # Set parent ASAP. TODO: Probably makes sense to do that for
	- line 596: # TODO: Check that var exists in outer scope


Lib/xmlrpc/client.py (3 lines):
	- line 493: # FIXME: the xml-rpc specification allows us to leave out
	- line 666: # FIXME: assert standalone == 1 ???
	- line 1356: # FIXME: mostly untested


Tools/scripts/ir_viz/viz.html.in (3 lines):
	- line 575: // TODO: Implement smarter auto-zoom using the viewBox attribute
	- line 707: // TODO: scale the graph with the viewBox attribute.
	- line 1301: <!-- TODO: maybe put preds/succs in JSON explicitly -->


Lib/tkinter/__init__.py (3 lines):
	- line 442: # TODO: Add deprecation warning
	- line 458: # TODO: Add deprecation warning
	- line 477: # TODO: Add deprecation warning


Lib/statistics.py (3 lines):
	- line 176: # FIXME is this faster if we sum them in order of the denominator?
	- line 260: # FIXME: what do we do if this overflows?
	- line 413: # FIXME: investigate ways to calculate medians without sorting? Quickselect?


Jit/lir/regalloc.cpp (3 lines):
	- line 1034: // TODO: Fix HIR generator to avoid generating unused output/variables.
	- line 1301: // TODO (tiansi): In future optimizations, we can consider a way of
	- line 1413: // TODO (tiansi): in the (near) future, we need to move the code


Lib/idlelib/idle_test/htest.py (3 lines):
	- line 84: # TODO implement ^\; adding '<Control-Key-\\>' to function does not work.
	- line 138: # TODO Improve message
	- line 147: # TODO edit wrapper


Lib/compiler/readonly/type_binder.py (3 lines):
	- line 58: # TODO: allow different readonliness for same name
	- line 758: # TODO: Proactively check if property is readonly on self
	- line 1052: # TODO: We may want to automatically assign readonliness to defaults


Jit/lir/postalloc.cpp (3 lines):
	- line 639: // TODO (tiansi): it is sufficient to only check output here, because all
	- line 1072: // TODO: do not optimize for yield for now. They need to be special cased.
	- line 1128: // TODO: for now, we always clear the cache when we hit an instruction


Tools/scripts/jit_test_runner.py (3 lines):
	- line 131: # TODO: Add link to fdb documentation
	- line 276: # TODO: Add link to fdb documentation
	- line 504: # TODO: Add link to fdb documentation


Modules/_winapi.c (3 lines):
	- line 749: PyErr_Clear(); /* FIXME: propagate error? */
	- line 765: PyErr_Clear(); /* FIXME: propagate error? */
	- line 958: PyErr_Clear(); /* FIXME: propagate error? */


Lib/xml/etree/ElementTree.py (2 lines):
	- line 863: # FIXME: can this be handled in XML 1.0?
	- line 987: # FIXME: handle boolean attributes


Modules/_posixsubprocess.c (2 lines):
	- line 199: * safe.  TODO - Someone should audit OpenBSD to make sure. */
	- line 512: /* TODO HP-UX could use pstat_getproc() if anyone cares about it. */


Lib/types.py (2 lines):
	- line 208: # TODO: Implement this in C.
	- line 263: # TODO: Implement this in C.


Python/sysmodule.c (2 lines):
	- line 2322: /* PEP432 TODO: we can reach this if warnoptions is NULL in the main
	- line 2412: /* PEP432 TODO: we can reach this if xoptions is NULL in the main


Jit/lir/generator.cpp (2 lines):
	- line 1184: // TODO support constant operand to Return
	- line 2139: // TODO: We could support more array types here, or in general


Lib/xml/sax/expatreader.py (2 lines):
	- line 220: # FIXME: when to invoke error()?
	- line 422: return 0  # FIXME: save error info here?


Experiments/icepack/pyice.py (2 lines):
	- line 527: # TODO: Fixme
	- line 689: # TODO: Consider the order of serialization.  Currently we're doing


Lib/compiler/static/module_table.py (2 lines):
	- line 118: # TODO until we support runtime checking of unions, we must for
	- line 178: # TODO: final constants should be typed to literals, and


Mac/BuildScript/build-installer.py (2 lines):
	- line 30: TODO:
	- line 1302: # TODO: make this more robust!  test_sysconfig_module of


Jit/hir/builder.cpp (2 lines):
	- line 1071: // TODO add preloader_.returnType() to Return instr here to validate
	- line 3217: // TODO: The manual type checks and branches should go away once we get


Tools/msi/bundle/bootstrap/PythonBootstrapperApplication.cpp (2 lines):
	- line 327: // TODO: Check whether directory exists and contains another installation
	- line 2339: // TODO: This doesn't work


Python/ast_opt.c (2 lines):
	- line 319: /* TODO: handle other types of slices */
	- line 379: /* TODO: optimize cases with literal arguments. */


Python/pythonrun.c (1 line):
	- line 9: /* TODO: Cull includes following phase split */


Modules/_sqlite/connection.c (1 line):
	- line 561: /* TODO: have a way to show errors here */


Jit/hir/preload.cpp (1 line):
	- line 142: // TODO properly handle coroutine returns awaitable type


Lib/compiler/strict/rewriter/rewriter.py (1 line):
	- line 132: # TODO: What effect do these line offsets have?


Modules/_asynciomodule.c (1 line):
	- line 4964: // TODO (aniketpanse): Consider using semaphore based tracing probes


Lib/ntpath.py (1 line):
	- line 617: # TODO (bpo-38186): Request the real file name from the directory


Lib/idlelib/parenmatch.py (1 line):
	- line 28: TODO:


Modules/_decimal/libmpdec/mpdecimal.c (1 line):
	- line 6474: * TODO: Implement algorithm for computing exact powers from decimal.py.


Lib/pathlib.py (1 line):
	- line 1163: # FIXME this must defer to the specific flavour (and, under Windows,


Tools/benchmarks/deltablue_static_lib.py (1 line):
	- line 68: # TODO: This looks like a bug in the original code. Shouldn't this be


Include/classloader.h (1 line):
	- line 16: /* TODO: Would we better off with dynamically allocated stubs which close


Tools/scripts/texi2html.py (1 line):
	- line 768: #TODO: what is 'ext'?


Lib/numbers.py (1 line):
	- line 6: TODO: Fill out more detailed documentation on the operators."""


Lib/idlelib/calltip.py (1 line):
	- line 150: # Add explanation TODO remove after 3.7, before 3.9.


Lib/sysconfig.py (1 line):
	- line 87: # FIXME don't rely on sys.version here, its format is an implementation detail


Modules/expat/xmltok.c (1 line):
	- line 1541: #ifndef XML_DTD /* FIXME */


Jit/slot_gen.cpp (1 line):
	- line 200: // eliminate the function (TODO: Could skip this if


StrictModules/Objects/union.cpp (1 line):
	- line 103: // TODO: this is a hacky way to recognize typing library constructs


Jit/lir/postalloc.h (1 line):
	- line 49: // TODO (tiansi): currently, condition to the conditional branches are always


Lib/idlelib/autocomplete_w.py (1 line):
	- line 483: # TODO: autocomplete/w htest here


Lib/runpy.py (1 line):
	- line 63: # TODO: Replace these helpers with importlib._bootstrap_external functions.


Lib/compiler/misc.py (1 line):
	- line 51: # TODO: Probably need to split and mangle recursively?


Tools/i18n/pygettext.py (1 line):
	- line 486: extractall = 0 # FIXME: currently this option has no effect at all.


Lib/getopt.py (1 line):
	- line 24: # TODO for gnu_getopt():


Tools/clinic/clinic.py (1 line):
	- line 33: # TODO:


Modules/mmapmodule.c (1 line):
	- line 162: TODO - should we check for errors in the close operations???


Lib/compiler/static/compiler.py (1 line):
	- line 141: # TODO: Need typed members for dict


Lib/compiler/static/definite_assignment_checker.py (1 line):
	- line 75: # TODO: T52624111 needs special handling for __class__


Lib/traceback.py (1 line):
	- line 508: # TODO: locals.


Include/internal/pycore_pystate.h (1 line):
	- line 187: /* TODO: Given interp_main, it may be possible to kill this ref */


Lib/smtplib.py (1 line):
	- line 923: # TODO implement heuristics to guess the correct Resent-* block with an


Modules/_elementtree.c (1 line):
	- line 3062: /* FIXME: check stack size? */


Lib/enum.py (1 line):
	- line 423: # TODO: replace the frame hack if a blessed way to know the calling


Lib/idlelib/autocomplete.py (1 line):
	- line 26: # TODO Update this here and elsewhere.


Tools/gdb/libpython.py (1 line):
	- line 1503: # TODO: repr() puts everything on one line; pformat can be nicer, but


Modules/_sre.c (1 line):
	- line 2667: /* FIXME: implement setattr("string", None) as a special case (to


Objects/constobject.c (1 line):
	- line 85: // TODO: this function needs to be revisited after the semantic for


Tools/benchmarks/deltablue.py (1 line):
	- line 70: # TODO: This looks like a bug in the original code. Shouldn't this be


PC/layout/support/props.py (1 line):
	- line 89: # TODO: Filter contents of props file according to included/excluded items


Lib/idlelib/filelist.py (1 line):
	- line 114: def _test():  # TODO check and convert to htest


Tools/benchmarks/deltablue_static_basic2_lib.py (1 line):
	- line 73: # TODO: This looks like a bug in the original code. Shouldn't this be


Modules/_ctypes/libffi_osx/include/x86-ffitarget.h (1 line):
	- line 56: /* TODO: Add fastcall support for the sake of completeness */


Lib/idlelib/dynoption.py (1 line):
	- line 14: # TODO copy value instead of whole dict


StrictModules/analyzer.cpp (1 line):
	- line 877: // TODO: this is not quite accurate, the correct dunder methods


Include/abstract.h (1 line):
	- line 308: /* FIXME:  usage of these should all be replaced in Python itself


Lib/gettext.py (1 line):
	- line 37: # TODO:


Tools/benchmarks/richards_static_lib.py (1 line):
	- line 329: # TODO: We should automatically support an INVOKE_FUNCTION here


Jit/hir/ssa.cpp (1 line):
	- line 354: // TODO if we have a specialized input type we should really be


Lib/idlelib/sidebar.py (1 line):
	- line 19: # TODO: use also in codecontext.py


Modules/sre_lib.h (1 line):
	- line 1017: /* FIXME: we probably need to deal with zero-width


Modules/_pickle.c (1 line):
	- line 2323: /* TODO: It would be better to use a memoryview with a linked


Lib/nntplib.py (1 line):
	- line 61: # TODO:


Modules/_io/iobase.c (1 line):
	- line 927: /* TODO: allocate a bytes object directly instead and manually construct


PC/launcher.c (1 line):
	- line 1445: /* TODO could call validate_version(command) */


Lib/idlelib/runscript.py (1 line):
	- line 10: TODO: Specify command line arguments in a dialog box.


Doc/tools/rstlint.py (1 line):
	- line 9: # TODO: - wrong versions in versionadded/changed


Lib/tkinter/filedialog.py (1 line):
	- line 394: # FIXME: are the following  perhaps a bit too convenient?


Lib/compiler/strict/compiler.py (1 line):
	- line 184: TODO: this should eventually replace compile_basic once all python sources


Modules/_hashopenssl.c (1 line):
	- line 1118: /* TODO build EVP_functions openssl_* entries dynamically based


StrictModules/Objects/numerics.cpp (1 line):
	- line 673: // TODO handle both overflow case


Objects/funcobject.c (1 line):
	- line 1257: // TODO: fix the warning code


Lib/idlelib/search.py (1 line):
	- line 68: # TODO - why is this here and not in a create_command_buttons?


Lib/idlelib/debugger.py (1 line):
	- line 550: # TODO: htest?


Lib/asyncio/staggered.py (1 line):
	- line 74: # TODO: when we have aiter() and anext(), allow async iterables in coro_fns.


Tools/benchmarks/deltablue_static_basic_lib.py (1 line):
	- line 77: # TODO: This looks like a bug in the original code. Shouldn't this be


Jit/lir/block_builder.cpp (1 line):
	- line 329: // TODO: we can merge CondBranch and JumpIf by translating


Lib/idlelib/editor.py (1 line):
	- line 938: # TODO: move to iomenu.


Lib/smtpd.py (1 line):
	- line 73: # TODO:


Modules/_ssl.c (1 line):
	- line 3932: /* TODO: It would be nice to move _ctypes_add_traceback() into the


Lib/compiler/static/declaration_visitor.py (1 line):
	- line 101: # TODO (self.module_name, node.name) here is wrong for all nested scopes


Lib/idlelib/pyshell.py (1 line):
	- line 136: #TODO: don't read/write this from/to .idlerc when testing


Tools/unicode/makeunicodedata.py (1 line):
	- line 291: # FIXME: <fl> the following tables could be made static, and


Lib/lib2to3/btm_utils.py (1 line):
	- line 221: #TODO: handle {min, max} repeaters


Python/ceval.c (1 line):
	- line 5423: // TODO: Revisit this opcode, and perhaps get it to load all


Lib/idlelib/mainmenu.py (1 line):
	- line 20: #       TODO: Make this more robust


Objects/typeobject.c (1 line):
	- line 3077: /* TODO: it'd be nice to unify with the calls above */