"Use proper inputs to download stock data"

[Gribouillis]

I don't think lines like

elif exchange1.lower() or exchange2.lower() or exchange3.lower() or exchange4.lower() or exchange5.lower() is "germany":

do what you expect they do. I would define first

exchanges = [exchange1, exchange2, exchange3, exchange4, exchange5]

and write for example

elif any(e.lower() == 'germany' for e in exchanges):