Formative Assessment Input $2$

What is the difference between the $x=$ input$("$Ent letter"$)$ and

There is no difference in the two statements; the both will accept whatever the user types in$.$

$x=$ input$("$Enter a letter"$)$ will store the inpu into the variable named $x,$ while letter"$)$ will collect the input and then throw i away.

x $=$ input$("$Enter a letter"$)$ will accept a num while input$("$Enter a letter"$)$ will accept a character.

x $=$ input$("$Enter a letter"$)$ will store a numb one is entered while input$("$Enter a letter"$)$ only store characters.