错误提示：
Running setup.py install for bitarray ... error
ERROR: Command errored out with exit status 1:
command: 'D:Envdevscriptspython.exe' -u -c 'import io, os, sys, setuptools, tokenize; sys.argv[0] = '"'"'C:\Users\Sun\AppData\Local\Temp\pip-install-06crn3iu\bitarray_61b2d3ed226442eb8029fd55c3ccb945\setup.py'"'"'; __file__='"'"'C:\Users\Sun\AppData\Local\Temp\pip-install-06crn3iu\bitarray_61b2d3ed226442eb8029fd55c3ccb945\setup.py'"'"';f = getattr(tokenize, '"'"'open'"'"', open)(__file__) if os.path.exists(__file__) else io.StringIO('"'"'from setuptools import setup; setup()'"'"');code = f.read().replace('"'"'rn'"'"', '"'"'n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' install --record 'C:UsersSunAppDataLocalTemppip-record-669u1irhinstall-record.txt' --single-version-externally-managed --compile --install-headers 'D:Envdevincludesitepython3.8bitarray'
cwd: C:UsersSunAppDataLocalTemppip-install-06crn3iubitarray_61b2d3ed226442eb8029fd55c3ccb945
Complete output (19 lines):
running install
running build
running build_py
creating build
creating buildlib.win-amd64-3.8
creating buildlib.win-amd64-3.8bitarray
copying bitarraytest_bitarray.py -> buildlib.win-amd64-3.8bitarray
copying bitarraytest_util.py -> buildlib.win-amd64-3.8bitarray
copying bitarrayutil.py -> buildlib.win-amd64-3.8bitarray
copying bitarray__init__.py -> buildlib.win-amd64-3.8bitarray
copying bitarraybitarray.h -> buildlib.win-amd64-3.8bitarray
copying bitarraypythoncapi_compat.h -> buildlib.win-amd64-3.8bitarray
copying bitarraytest_data.pickle -> buildlib.win-amd64-3.8bitarray
copying bitarraypy.typed -> buildlib.win-amd64-3.8bitarray
copying bitarrayutil.pyi -> buildlib.win-amd64-3.8bitarray
copying bitarray__init__.pyi -> buildlib.win-amd64-3.8bitarray
running build_ext
building 'bitarray._bitarray' extension
error: Microsoft Visual C++ 14.0 or greater is required. Get it with "Microsoft C++ Build Tools": https://visualstudio.microsoft.com/visual-cpp-build-tools/
原因是：bitarray 包安装失败了
打开网址：
https://www.lfd.uci.edu/~gohlke/pythonlibs/
下载对应的版本包进行安装就行了
