Computer csience

CHALLENGE

ACTIVITY

$6\mathrm{.}3\mathrm{.}1$: Password requirements.

Jump to level $1$

String checkStr is read from input. For each character in checkStr that is a letter, increment count by $1.$ Then, output Valid if count is more than $2$ and checkStr's length is less than or equal to $7.$ Otherwise, output "Invalid". End each output with a newline.

Click for examples

Ex $1$: If the input is $9$ h $46r0,$ then the output is:

Valid

Ex $2$: If the input is wXP$8$DKVk$,$ then the output is:

Invalid

Note: isalpha$(0$ returns true if a character is a letter, and false otherwise. Ex: isalpha$($a$\text{'})$ returns true. isalpha$(\text{'}8\text{'})$ returns false.marked area only$123$