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Nov 13th, 2019
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  1. cadena = input("Introduce una cadena de caracteres: ")
  2. suma = 0
  3. digitos = 0
  4. indice = 0
  5.  
  6. for caracter in cadena:
  7. indice += 1
  8. if '0' <= caracter <= '9':
  9. suma += int(caracter)
  10. digitos += 1
  11.  
  12. else:
  13. if 'a' <= caracter <= 'z' or 'A' <= caracter <= 'Z':
  14. digitos += 1
  15. print("Primer no dígito: {0} en posición {1}".format(caracter, len(cadena)))
  16. break
  17.  
  18. if len(cadena) == digitos:
  19. print("Todos los caracteres son dígitos")
  20. print("¿Cuántos dígitos?", len(cadena))
  21. print("¿suma de dígitos?", suma)
  22. # else:
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