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This notebook takes about 30 seconds to run.

In the cloud (experimental)

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On your computer

(Recommended if you want to store your changes.)

  1. Copy the notebook URL:
  2. Run Pluto

    (Also see: How to install Julia and Pluto)

  3. Paste URL in the Open box

Frontmatter

If you are publishing this notebook on the web, you can set the parameters below to provide HTML metadata. This is useful for search engines and social media.

Author 1
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import Pluto
4.0 s
"https://featured.plutojl.org/basic/Tower%20of%20Hanoi.jl"
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url = "https://featured.plutojl.org/basic/Tower%20of%20Hanoi.jl"
13.8 μs
Error message

Another cell defining filename contains errors.

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Text(read(filename, String))
---
Error message

HTTP/2 404 while requesting https://featured.plutojl.org/basic/Tower%20of%20Hanoi.jl

Stack trace

Here is what happened, the most recent locations are first:

  1. anonymous function
    from Downloads.jl:243
  2. arg_write(f::Downloads.var"#3#4"{Nothing, Vector{Pair{String, String}}, Float64, Nothing, Bool, Nothing, Nothing, String}, arg::Nothing)
    from ArgTools.jl:101
  3. #download#2
    from Downloads.jl:230
  4. download(url::String, output::Nothing)
    from Downloads.jl:230
  5. #invokelatest#2
    from essentials.jl:716
  6. invokelatest
    from essentials.jl:714
  7. do_download
    from download.jl:24
  8. download
    from download.jl:20
  9. from This cell: line 1
    filename = download(url)
beep boop CRASH 🤖
filename = download(url)
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---

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70.2 μs
Error message

Another cell defining filename contains errors.

¯\_(ツ)_/¯
begin
nb = Pluto.load_notebook(filename)

nb.topology = Pluto.updated_topology(nb.topology, nb, nb.cells)
end
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---
using PlutoUI
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220 ms
Error message

Another cell defining filename contains errors.

Pluto.where_referenced(nb.topology, Set([:move]))
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---
Error message

Another cell defining filename contains errors.

@bind whichcell_id Slider(nb.cell_order)
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---
Error message

Another cell defining filename contains errors.

nb.topology.nodes[fav_cell]
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---
Error message

Another cell defining filename contains errors.

nb.cells_dict[whichcell_id].code |> Text
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---
Error message

Another cell defining filename contains errors.

fav_cell = nb.cells_dict[whichcell_id]
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---
# nb.cells_dict[whichcell].metadata["luca"] = "ferranti"
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8.8 μs
Error message

Another cell defining filename contains errors.

Pluto.save_notebook(nb)
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---
Error message

Another cell defining filename contains errors.

filter(nb.cells) do c
occursin("recipe", c.code)
end
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---