def check$\_$negative$($num$)$:

if num $<0$: # Line $1$

return "the number is negative" # Line $2$

return "the number is positive" # Line $3$

print$("$thank you"$)$ # Line $4$

print$("$all done"$)$ # Line $5$

check$\_$negative$(220)$

When the function check$\_$negative is called, how many lines of the function body are executed? $($NOTE: do not count the function call and the function header$)$