Write prices_with_tax(prices, rate) that uses functools.partial to fix the rate of add_tax(rate, price) (returns price × (1 + rate/100) rounded to 2), then maps it over prices.
prices_with_tax([100, 200], 18) → [118, 236]
prices_with_tax([], 5) → []
Submit runs 4 tests, including hidden edge cases.
Run your code to see the output here.