​pip install lxml

Command "D:\python3\python.exe -u -c "import setuptools, tokenize;__file__='C:\\Users\\DELL\\AppData\\Local\\Temp\\pip-install-ymkh21oc\\lxml\\setup.py';f=getattr(tokenize, 'open', open)(__file__);code=f.read().replace('\r\n', '\n');f.close();exec(compile(code, __file__, 'exec'))" install --record C:\Users\DELL\AppData\Local\Temp\pip-record-zjmuzn05\install-record.txt --single-version-externally-managed --compile" failed with error code 1 in C:\Users\DELL\AppData\Local\Temp\pip-install-ymkh21oc\lxml\