What is wrong in the code?

Question

How do we insert a int after the last word of the string
https://code.sololearn.com/ccy65qU8lID8/?ref=app

Answer 1

Try this
balance = int(input())

print('Your balance is:',balance)

The f with the curly brackets is called an f-string

Answer 2

why f?

Answer 3

and curly brackets