list = []
def convert_string_list(string): # this code converts string to list
    for e in string:
        list.append(e)

def convert_nonalpha_space(string, seperator): # this code converts elements in string that is found in seperator to space
    convert_string_list(string)
    i = 0
    n = len(list)
    while i < n:
        if list[i] in seperator:
            list[i] = "  "
        i += 1
    return list

def better_splitter(string, seperator): #
    #new_list = convert_nonalpha_space
    #new_string = ''.join(new_list)
    #return new_string.split()
    return ''.join(convert_nonalpha_space).split()