然后，获取当前日期将每月输出2个截止日期

from datetime import datetime, timedelta

# 获取当前日期
current_date = datetime.now()

# 计算第一个截止日期
deadline1 = current_date.replace(day=15)
if deadline1 < current_date:
    deadline1 = deadline1.replace(month=current_date.month + 1)

# 计算第二个截止日期
if current_date.day <= 15:
    deadline2 = current_date.replace(day=30)
else:
    deadline2 = current_date.replace(day=30, month=current_date.month + 1)

# 输出结果
print(deadline1.strftime("%Y-%m-%d"))
print(deadline2.strftime("%Y-%m-%d"))