Countdown to Liftoff

Count down from start to 1, then add "Liftoff!". Each number becomes one text entry.

Implement countdown(start).

Input

start: The number to start counting down from.

Output

Return the countdown as a list of strings, ending with "Liftoff!".

Restricciones

0 ≤ start ≤ 1,000

Ejemplos

Entrada:
start = 3

Salida esperada:
expected = ["3", "2", "1", "Liftoff!"]

Entrada:
long long start = 3;

Salida esperada:
std::vector<std::string> expected = {"3", "2", "1", "Liftoff!"};

Entrada:
long start = 3;

Salida esperada:
string[] expected = new string[] {"3", "2", "1", "Liftoff!"};

Entrada:
start = 0

Salida esperada:
expected = ["Liftoff!"]

Entrada:
long long start = 0;

Salida esperada:
std::vector<std::string> expected = {"Liftoff!"};

Entrada:
long start = 0;

Salida esperada:
string[] expected = new string[] {"Liftoff!"};

Referencias

Este reto está adaptado para CodeUtility. Sigue el enunciado y las restricciones indicadas arriba.

• GWU CS1111 Introduction to Software Development - lab sequence