How python uses the Copy command

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Copy

This is an important order. If you execute the following command:

Import pandas as pd df1 = pd.DataFrame ({'aqu: [0je 0je 0], 'baked: [1rect 1]}) df2 = df1 df2 [' a'] = df2 ['a'] + 1 df1.head ()

You will find that df1 has changed. This is because instead of copying the value of df1 and assigning it to df2, df2 = df1 sets a pointer to df1. Therefore, any change in df2 will lead to a change in df1. To solve this problem, you can:

Df2 = df1.copy () br

Or

From copy import deepcopy df2 = deepcopy (df1) these are all the contents of the article "how to use Copy commands in python". Thank you for reading! I believe we all have a certain understanding, hope to share the content to help you, if you want to learn more knowledge, welcome to follow the industry information channel!