The principle and method of removing seasonal cycles in Python

Reason + principle:

How to eliminate seasonal factors in time series data - Zhihu

Method, there is a formula to do it:

[Time series] How to decompose time series data step by step into trend (trend) seasonality (seasonality) and error (residual) - Detailed understanding of python sm.tsa.seasonal_decompose_seasonal-trend decomposition decomposition_Data Science Meow Meow God's Blog-CSDN blog

import statsmodels.api as sm
decomposition = sm.tsa.seasonal_decompose(t_serise ,model='addictive', period=12)
decomposition.plot()