Fatal error: Uncaught ArgumentCountError: Too few arguments to function f(), 1 passed in /in/0klQW on line 7 and exactly 2 expected in /in/0klQW:3
Stack trace:
#0 /in/0klQW(7): f(7)
#1 {main}
thrown in /in/0klQW on line 3
Process exited with code 255.