将时间字符串格式设置为100ms - Python

import datetime

time_str = "2022-01-01 12:00:00"

time_obj = datetime.datetime.strptime(time_str, "%Y-%m-%d %H:%M:%S")

formatted_time = time_obj.strftime("%Y-%m-%d %H:%M:%S.%f")[:-3]

import datetime

time_str = "2022-01-01 12:00:00"
time_obj = datetime.datetime.strptime(time_str, "%Y-%m-%d %H:%M:%S")
formatted_time = time_obj.strftime("%Y-%m-%d %H:%M:%S.%f")[:-3]

print(formatted_time)

2022-01-01 12:00:00.000