Separate string in Python
""" Separate string or text string, and join it with any character every certain number of characters, for this case I will separate a number with a period every three characters, from right to left. """
def dividirCadena(cadena, separador, numeroCaracteres):
cifra = ""
contador = 0
for numero in cadena[::-1]:
if contador == numeroCaracteres:
cifra += separador
contador = 0
contador += 1
cifra += numero
return (cifra[::-1], "".join(reversed(cifra)))
funcion = dividirCadena("189632019", ".", 3)
print(funcion)