def split_string(field,separador):
	"""
	To separate string

	Author: Albenis Pérez Alarcón
	contact:apalarcon1991@gmail.com
	
	Parameters
	----------
	
	field : str
	

	separador : str
	


	return a list of string

	"""


	string=[]
	aux = field.split(separador)
	#string=np.append(string,aux[0])
	return aux