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How to use the eval function of python

2025-03-31 Update From: SLTechnology News&Howtos shulou NAV: SLTechnology News&Howtos > Internet Technology >

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This article introduces the relevant knowledge of "how to use the eval function of python". In the operation of actual cases, many people will encounter such a dilemma, so let the editor lead you to learn how to deal with these situations. I hope you can read it carefully and be able to achieve something!

The function of the eval function in python is to output the result of the string expression passed in, and the objects are generally strings! The specific usage is as follows:

1. First open the editor pycharm of python.

2. Then create a new string with an expression, as shown below:

A = "3x8"

3. Run the expression in the string through the eval function and print the result, as shown below:

A = "3: 8" b=eval (a) print (b)

4, right-click to select "run to run the file", you can see the output of the expression in the output window 24.

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