Create a REST API to calculate the price and Greeks of a European option on an underlying stock using the Black-Scholed Model.

Required Files :

api.py: The endpoint routes bs.py: Black-Scholes implementation (can be copied from previous HW) including additional Greeks calculations

The endpoint should be structured in the following way : GET /hw5/black-scholes/(str: ticker) Given a provided ticker, computes the Black-Scholes option price and greeks.

- iscall (bool) - True if call otherwise put - strike (float) - The strike price of the option - rate (float) - The continuous risk-free rate - div (float) - The continuous dividend yield - vol (float) - The volatility parameter to use - expiry (float) - The time to expiry - date (string) - (optional) The as of date of the pricing calculation, if not provided use the latest closing price. Status Codes: - 200 OK-ok - 404 Not Found - ticker not found