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Python constant variable

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In Python, there is no true constant variable but you can simulate constant behavior using uppercase variable names to indicate to other programmers that the variable should not be changed.


The constant variable holds values, which cannot be changed.

Python constant variable example

A simple example code defines a constant PI like this.

PI = 3.14159



Python constant variable

Do comment if you have any doubts or suggestions on this Python constant topic.

Note: IDE: PyCharm 2021.3.3 (Community Edition)

Windows 10

Python 3.10.1

All Python Examples are in Python 3, so Maybe its different from python 2 or upgraded versions.

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