Variable userString is assigned with a $2-$character string read from input. If userString's second character is a lowercase letter, output "String is valid". Otherwise, output "String is not valid". Variable userString is assigned with a $2-$character string read from input. If userString's second character is a lowercase letter,

output "String is valid". Otherwise, output "String is not valid".

Ex $1$: If the input is on$,$ then the output is:

String is valid

Ex $2$: If the input is $=6,$ then the output is:

String is not valid

Ex $1$: If the input is $0$n$,$ then the output is:

String is valid

Ex $2$: If the input is $=6,$ then the output is:

String is not valid