What is the value of sys$.$argv, len$($sys$.$argv$)$ for the command$-$line input $>$ python prog.py $1$ January $2020?$

Question $30$ options:

$[\text{'}1\text{'},$ 'January', $\text{'}2020\text{'}],3$

$[\text{'}$prog$.$py$\text{'},\text{'}1\text{'},$ 'January', $\text{'}2020\text{'}],4$

$[\text{'}$prog$.$py$\text{'},\text{'}1\text{'},$ 'January', $\text{'}2020\text{'}],3$

$[\text{'}1\text{'},$ 'January', $\text{'}2020\text{'}],1$