Polygon.io API crypto market historical retrieval

You'll have to build 2 Python scripts: - a Python script to retrieve all historical data for a specific coin (eg: ETH-USD) in the different timespans available (eg: 1 min, 5 min, etc...) - a Python script to retrieve all historical data for all coins in the different timespans available (eg: 1 min, 5 min, etc...) You'll have to comment the code as much as possible. The use of external libraries must be explained and must be authorised by me before use. The generated data must be exported in CSV file format. You'll have access to the API key of Polygon.io. Here is the documentation of the API: [login to view URL]