7 Elegant Usages of Underscore in Python

Must-know for Python programmers.

Underscore offers many functionalities in Python.

The above animation highlights 7 of the must-know usages among Python programmers.

• Retrieve the last computed value

• Placeholder for loop variable

• Digit separator

Additionally, you can also use underscore while naming objects, etc:

• Single leading underscore to indicate variables for internal use

• Single trailing underscore to avoid conflict with keywords

• Double leading underscores to invoke name mangling

• Double leading and trailing underscores to write magic methods

👉 Over to you: What other usages have I missed?

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Find the code for my tips here: GitHub.

I like to explore, experiment and write about data science concepts and tools. You can read my articles on Medium. Also, you can connect with me on LinkedIn and Twitter.