mm = matrix(1:9, ncol=3) 
ifelse(mm==5, mm, 0)
ifelse(mm==5, mm, 0)
| I just figured out how to make this (thank god) finally stop manually: In JupyterLab, under "Setting" -> "Advanced Settings Editor" -> Notebook -> "User Overrides" add the following: {
    "codeCellConfig": {
        "autoClosingBrackets": false
    }
} |