Practical 3 task 3.2 confusion over int formatting

[PhilipDW183]

Student confusion over the use of:

test = rows[-1].split(',')
print(test)
print(f"The population of {test[0]} is {int(test[1]):,}")

In getting the comma to print in the number. Suggesting adding a link to: https://blog.teclado.com/python-formatting-numbers-for-printing/ about how to format numbers for printing.