(string, twitter_state, value)
Initialize a key/value pair if it doesn't already exist.
    :param string: the key
    :param twitter_state: dictionary holding reddit settings
    :param value: the value
    :return: none
Initialize a key/value pair if it doesn't already exist.
    :param string: the key
    :param twitter_state: dictionary holding reddit settings
    :param value: the value
    :return: none
Initialize a key / value pair if it doesn t already exist . : param string : the key : param twitter_state : dictionary holding reddit settings : param value : the value : return : none
def check_for_existence(string, twitter_state, value):
    """
    Initialize a key/value pair if it doesn't already exist.
    :param string: the key
    :param twitter_state: dictionary holding reddit settings
    :param value: the value
    :return: none
    """
    if string not in twitter_state:
        twitter_state[string] = value
def check_for_existence ( string , twitter_state , value ) : if string not in twitter_state : twitter_state [ string ] = value