Ex $1.$ Characters Manipulation $(60$ points$)$

Ask the user to enter $7$ characters and store them in an array.

Define and call a function named $($is identical$),$ which checks if all the characters in the array are the same character.

boot Is$.$identical$($char e$[1,$ Int sma$)$:

This function should return true if all characters are the same character and return false otherwise.

Examples; if the array contains the following elements, the function should return false.

$\backslash$table$[[$a$,$b$,$a$,$v$,$r$,$s$,$is$]]$

if the array contains the following elements, the function should return true.

$3.$ Define and call a function named $($is unique$),$ which checks if there are no repeated characters in the array:

This function sbould return true if all characters are not repeated and retum false otherwise

beol is$,$unjquetchar

$(1.$ Int $),$