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    Circuit Sparsity
    No connected neurons data available
    Explanations

    list index access or dictionary key access (negative activations)

    python-code · gemini-2.5-flash-lite

    return value or boolean

    python-code · gemini-2.5-flash-lite
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    Negative Logits
    join
    -0.04
     True
    -0.04
    **
    -0.04
     **
    -0.04
     initial
    -0.03
    _a
    -0.03
    ':
    -0.03
    ':↵
    -0.03
    ":↵
    -0.03
    uild
    -0.03
    Positive Logits
     False
    0.06
     raise
    0.06
     None
    0.05
    (len
    0.04
     []↵↵
    0.04
    None
    0.03
    alse
    0.03
    ault
    0.03
     sys
    0.03
    ("
    0.03
    Activations Density 97.600%

    No Known Activations

    PrevNext
    Close
    Circuit Sparsity
    No connected neurons data available
    Explanations

    indices of a string or list (negative activations)

    python-code · gemini-2.5-flash-lite

    defaultdict or cache initializer

    python-code · gemini-2.5-flash-lite
    Auto-Interp Tools
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    16,384 prompts, 256 tokens each
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    neuronpedia/python-code-simplified
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    Negative Logits
    -0.03
    vailable
    -0.02
    sed
    -0.02
    ilename
    -0.02
    mit
    -0.02
            ↵
    -0.01
    -0.01
    ^
    -0.01
    -0.01
    s
    -0.00
    Positive Logits
    pro
    0.01
     l
    0.01
     g
    0.01
     G
    0.01
    0.01
    ul
    0.01
    3
    0.01
    .
    0.00
    '
    0.00
    #
    0.00
    Activations Density 100.000%

    No Known Activations