Algo stock quotes for trader and investor: where to find and how to download? Free

Many were upset, when Yahoo.Finance closed all loopholes to get free stock quotes not too long ago, but to everyone's happiness, there are already alternatives to free data where you can find them. This time we will download a free daily history from the IEX exchange for ~ 8 thousand US assets in about ~ 2 minutes. Will help us with this Python 2.7. And Roman Shchegolikhin will tell. Inquiring minds on the exchange website can find free tick history for previous ones 10 months in pcap format (tcpdump).