下载
libpython3.8-minimal_3.8.6-1_arm64.deb (https://mirrors.tuna.tsinghua.edu.cn/debian/pool/main/p/python3.8/libpython3.8-minimal_3.8.6-1_arm64.deb) libpython3.8-stdlib_3.8.6-1_arm64.deb (https://mirrors.tuna.tsinghua.edu.cn/debian/pool/main/p/python3.8/libpython3.8-stdlib_3.8.6-1_arm64.deb) python3.8-minimal_3.8.6-1_arm64.deb (https://mirrors.tuna.tsinghua.edu.cn/debian/pool/main/p/python3.8/python3.8-minimal_3.8.6-1_arm64.deb) libexpat1_2.2.0-2+deb9u3_arm64.deb (https://mirrors.tuna.tsinghua.edu.cn/debian/pool/main/e/expat/libexpat1_2.2.0-2+deb9u3_i386.deb) zlib1g_1.2.11.dfsg-2_arm64.deb (https://mirrors.tuna.tsinghua.edu.cn/debian/pool/main/z/zlib/zlib1g_1.2.11.dfsg-2_arm64.deb)
安装gcc-10-aarch64-linux-gnu，除了libexpat.so.1和libz.so.1剩下的动态链接库都在/usr/aarch64-linux-gnu/lib。顺便说一下可以用apt-file search搜索文件所在的package。
libpthread.so.0 libdl.so.2 libutil.so.1 libm.so.6 libexpat.so.1 libz.so.1 libc.so.6 ld-linux-aarch64.so.1
然后用patchelf修改interpreter和rpath（参考Android运行Linux程序）。因为python安装的位置不是/usr/bin所以要设置PYTHONPATH，然后就可以在Android上使用python了。