(year_count: int)
return [str(round(i, 2)) for i in s]
year_count: year run date count
    return: list of key times points

    should append `1` because the svg keyTimes rule
year_count: year run date count
    return: list of key times points
year_count : year run date count return : list of key times points
def make_key_times(year_count: int) -> typing.List[str]:
    """
    year_count: year run date count
    return: list of key times points

    should append `1` because the svg keyTimes rule
    """
    s = list(takewhile(lambda n: n < 1, itercount(0, 1 / year_count)))
    s.append(1)
    return [str(round(i, 2)) for i in s]
def make_key_times ( year_count : int ) -> typing . List [ str ] : s = list ( takewhile ( lambda n : n < 1 , itercount ( 0 , 1 / year_count ) ) ) s . append ( 1 ) return [ str ( round ( i , 2 ) ) for i in s ]