import yfinance as yf

# Ticker to Sector and Industry
msft = yf.Ticker('MSFT')
tech = yf.Sector(msft.info.get('sectorKey'))
software = yf.Industry(msft.info.get('industryKey'))

# Sector and Industry to Ticker
tech_ticker = tech.ticker
tech_ticker.info
software_ticker = software.ticker
software_ticker.history()