- 1. Entrada, impresión y números
- 2. Números enteros y flotantes
- 3. Condiciones: if-then-else
- 4. Para bucle con rango
- 5. Instrumentos de cuerda
- 6. While loop
- 7. Liza
- 8. Funciones y recursión
- 9. Listas bidimensionales (matrices)
- 10. Conjuntos
- 11. Diccionarios
- 12. JavaScript
- 13. HTML5 and CSS
- 14. Responsive Design with Bootstrap
- 15. jQuery
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The first and last occurrence
Statement
Given a string that may or may not contain a letter of interest. Print the index location of the first and last appearance of f. If the letter f occurs only once, then output its index. If the letter f does not occur, then do not print anything. Don't use loops in this task.
In all the problems input the data using input() and print the result using print().
Statement
Given a string that may or may not contain a letter of interest. Print the index location of the first and last appearance off. If the letter f occurs only once, then output its index. If the letter f does not occur, then do not print anything. Don't use loops in this task.
In all the problems input the data using input() and print the result using print().