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""" | |
https://parzibyte.me/blog | |
""" | |
def palindromo(cadena): | |
inicio = 0 | |
fin = len(cadena) - 1 | |
while cadena[inicio] == cadena[fin]: | |
if inicio >= fin: | |
return True | |
inicio += 1 | |
fin -= 1 | |
return False | |
def palindromo_recursivo(cadena, inicio, fin): | |
if inicio >= fin: | |
return True | |
if cadena[inicio] == cadena[fin]: | |
return palindromo_recursivo(cadena, inicio+1, fin-1) | |
else: | |
return False | |
def remover_caracteres_especiales(cadena): | |
cadena = cadena.lower() | |
cadena = cadena.replace(" ", "") | |
cadena = cadena.replace("á", "a") | |
cadena = cadena.replace("é", "e") | |
cadena = cadena.replace("í", "i") | |
cadena = cadena.replace("ó", "o") | |
cadena = cadena.replace("ú", "u") | |
return cadena | |
cadena = "Isaac no ronca así" | |
cadena_limpia = remover_caracteres_especiales(cadena) | |
es_palindromo = palindromo(cadena_limpia) | |
if es_palindromo: | |
print("Es palíndromo") | |
else: | |
print("No es palíndromo") | |
es_palindromo = palindromo_recursivo(cadena_limpia, 0, len(cadena_limpia) - 1) | |
if es_palindromo: | |
print("Con recursividad: es palíndromo") | |
else: | |
print("Con recursividad: no es palíndromo") | |
palabras = [ | |
"oso", | |
"parzibyte", | |
"oro", | |
"python", | |
"Ada", # ada como en "Ada Wong", no como "hada", | |
"Ana lava lana", | |
"La tele letal", | |
"Isaac no ronca así", | |
] | |
for palabra in palabras: | |
# Esto es opcional. Yo limpio la palabra para quitar espacios y acentos | |
palabra_limpia = remover_caracteres_especiales(palabra) | |
es_palindromo = palindromo(palabra_limpia) | |
es_palindromo_recursivo = palindromo_recursivo( | |
palabra_limpia, 0, len(palabra_limpia)-1) | |
print( | |
f"'{palabra}' es palíndromo con ciclos? {es_palindromo}. Y con recursividad? {es_palindromo_recursivo}") |
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