生成周数序列

from datetime import datetime

def get_iso_week_number(date):
    return date.isocalendar()[1]

# 示例日期
dates = [
    datetime(2023, 1, 1),
    datetime(2023, 1, 8),
    datetime(2023, 1, 15),
    datetime(2023, 1, 22),
    datetime(2023, 1, 29)
]

# 生成周数序列
week_numbers = [get_iso_week_number(date) for date in dates]
print(week_numbers)

from datetime import datetime

def get_iso_week_number(date_str):
    try:
        date = datetime.strptime(date_str, '%Y-%m-%d')
        return date.isocalendar()[1]
    except ValueError:
        return None

# 示例日期
dates = [
    "2023-01-01",
    "2023-01-08",
    "2023-01-15",
    "2023-01-22",
    "2023-01-29"
]

# 生成周数序列
week_numbers = [get_iso_week_number(date) for date in dates]
print(week_numbers)