How to save files in python

This article mainly introduces a summary of the method of saving files in Python. It is very good and has certain reference value. Friends in need can refer to it.

Save as binary file, pkl format(Recommended learning:Python video tutorial)

import pickle pickle.dump(data,open('file_path','wb')) #后缀.pkl可加可不加

If the file is too large

pickle.dump(data,open('file_path', 'wb'),protocol=4)

Save as binary file, npz format

import numpy as np np.savez('file_path/file_name.npz', data1=X,data2=y)

DataFrame file is saved as .csv

dataframe_file.to_csv("file_path/file_name.csv", index=False)

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