对于一个series:
import pandas as pd date_series = pd.Series(pd.date_range("2020-01-01", periods=100))
如下的判断会返回False:
False
pd.to_datetime("2020-01-01") in date_series
如下判断会返回True:
True
pd.to_datetime("2020-01-01") in date_series.values