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Home
Learn NetLogo
What is NetLogo? Tutorial #0 Sample Model Tutorial #1 Models Tutorial #2 Commands Tutorial #3 Procedures
Documentation
NetLogo Dictionary Interface Guide Interface Tab Guide Info Tab Guide Code Tab Guide Programming Guide Transition Guide Preferences Guide Version History
Advanced Tools
Extension Manager Shapes Editor BehaviorSpace System Dynamics HubNet HubNet Authoring Logging Controlling Mathematica Link NetLogo 3D Cluster Computing (HPC)
Extensions
Extensions Guide Arduino Array Bitmap CSV GIS GoGo LevelSpace Matrix Networks Palette Profiler Python Resource Rnd Sound Simple R Table Time Vid View2.5D
FAQ
primitive: py:runresult
Python Extension Dictionary
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py:runresult

py:runresult python-expression

Evaluates the given Python expression and reports the result. py:runresult attempts to convert from Python data types to NetLogo data types. Numbers, strings, and booleans convert as you would expect. Any list-like object in Python (that is, anything with a length that you can iterate through) will be converted to a NetLogo list. For instance, Python lists and NumPy arrays will convert to NetLogo lists. Python dicts (and dict-like objects) will convert to a NetLogo list of key-value pairs (where each pair is represented as a list). None will be converted to nobody. Other objects will simply be converted to a string representation.

Note that due a current issue, dict keys will always be reported as strings. If you need to report non-string keys, report the .items() of the dict instead of the dict itself.

Take me to the full Python Extension Dictionary.

Python Extension Dictionary: run

Documentation for the run primitive.

Python Extension Dictionary: set

Documentation for the set primitive.


NetLogo is a programmable modeling environment for simulating natural and social phenomena. It was authored by Uri Wilensky in 1999 and has been in continuous development ever since at the Center for Connected Learning and Computer-Based Modeling.

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Copyright © 1999-2025 Uri Wilensky and the Center for Connected Learning and Computer-Based Modeling at Northwestern University . All rights reserved.

This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License , or (at your option) any later version.

Commercial licenses are also available. To inquire about commercial licenses, please contact Uri Wilensky at netlogo-commercial-admin@ccl.northwestern.edu .

For more information, visit the NetLogo website .