(sentence)
return sentence.endswith(".")
:param sentence: str a sentence to check.
    :return:  bool True if punctuated correctly with period, False otherwise.
def check_sentence_ending(sentence):
    """

    :param sentence: str a sentence to check.
    :return:  bool True if punctuated correctly with period, False otherwise.
    """

    return sentence.endswith(".")
def check_sentence_ending ( sentence ) : return sentence . endswith ( "." )