- 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.
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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.
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In all the problems input the data using input() and print the result using print().