How to make scientific notation the default in the Python interpreter?

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SUMMARY

The discussion centers on configuring the Python interpreter to display numbers in scientific notation by default. Users express frustration with the standard numeric output format and explore alternatives, including creating a custom REPL loop for enhanced output control. A resource is provided for writing an interactive REPL in Python, which allows for tailored number formatting. Modifying the interpreter's code is also suggested as a potential solution.

PREREQUISITES
  • Familiarity with Python programming language
  • Understanding of REPL (Read-Eval-Print Loop) concepts
  • Basic knowledge of modifying Python scripts
  • Experience with number formatting in Python
NEXT STEPS
  • Research how to create a custom REPL loop in Python
  • Explore Python's built-in number formatting options
  • Learn about modifying Python's source code for custom behavior
  • Investigate third-party libraries for enhanced number formatting
USEFUL FOR

Python developers, educators, and data scientists looking to customize numeric output in the Python interpreter for improved readability and presentation.

andresordonez
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Hi, I'm tired of reading numbers like 695500000, and using %e all the time is not a practical solution.

Thanks.
 
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The Python "interactive mode" is just a REPL loop. You can write your own REPL loop in python pretty easily, and then you will have full control over how output is printed.

http://blog.hackthology.com/writing-an-interactive-repl-in-python
 
Last edited by a moderator:
Thanks, though I thought it could be easier than that. I guess I could modify somehow some code of the interpreter.
 

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