pythontutor.pug – Code executions step by step

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---

Insert a PythonTutor iframe

mixin tutor(lang="python")
  - valid_langs = ["python", "c", "cpp", "java", "javascript", "ruby"];
  - if (valid_langs.indexOf(lang) > 0)
    - if (lang == "python")
      - endpoint = "visualize";
    - else
      - endpoint = lang;
  - else
    - throw new Error(lang + " is not a valid language. Valid languages: " + valid_langs);
  - if ("alt" in attributes)
    - alt = attributes.alt;
    - delete attributes.alt;
  - else
    - alt = true;
  iframe(width="100%"
         height="500"
         frameborder="0"
         src=`http://pythontutor.com/${endpoint}.html#cumulative=false&heapPrimitives=nevernest&mode=edit&origin=opt-frontend.js&py=3&rawInputLstJSON=%5B%5D&textReferences=false`)
    - if (alt)
      | Your browser does not support iframes.

+tutor(lang="python")(width="100%", height="500")

Insert a PythonTutor iframe passing a language name as first parameter.

Arguments:

• lang (string) – Code language. Valid languages are: "python", "c", "cpp", "java", "javascript", "ruby".

Usage

Input

+tutor()

Output

<iframe width="100%" height="500" frameborder="0" src="http://pythontutor.com/visualize.html#cumulative=false&heapPrimitives=nevernest&mode=edit&origin=opt-frontend.js&py=3&rawInputLstJSON=%5B%5D&textReferences=false">Your browser does not support iframes.</iframe>

Render