show with app
          
          
          

            

              
function(input, output) {

  # You can access the value of the widget with input$select, e.g.
  output$value <- renderPrint({ input$select })

}

            

            

              
fluidPage(
    
  # Copy the line below to make a select box 
  selectInput("select", label = h3("Select box"), 
    choices = list("Choice 1" = 1, "Choice 2" = 2, "Choice 3" = 3), 
    selected = 1),
  
  hr(),
  fluidRow(column(3, verbatimTextOutput("value")))
  
)