## Only run examples in interactive R sessions
if (interactive()) {
ui <- fluidPage(
  passwordInput("password", "Password:"),
  actionButton("go", "Go"),
  verbatimTextOutput("value")
)
server <- function(input, output) {
  output$value <- renderText({
    req(input$go)
    isolate(input$password)
  })
}
shinyApp(ui, server)
}
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