What does the second line in the following code do$?$

value $=$ input$(\text{'}$Enter an integer: $\text{'})$

value $=$ int$($value$)$

Question $5$ options:

$1)$

convert an integer to a string

$2)$

checks to see if value contains an integer

$3)$

convert a string to an integer

$4)$

None of the above