$1\mathrm{.}2$ isCapital

Function Name: isCapital

Input:

$($char$)$ A letter

Output:

$($logical$)$ Logical value if the input letter is capital or not

Description:

Write a function falled isCapital that checks if the input letter is capital. If the input

letter is capital, output true. Otherwise, output false. You are guaranteed that your input

will be a letter.

Examples:

answerl $=$ isCapital $(\{$:${?}^{\text{'}}{A}^{\text{'}})$

$$ answer$1=$ true

answer$2=$ isCapital $(\text{'}$z$\text{'})$

$$ answer$2=$ false

answer$3=$ isCapital $(\{$:${?}^{\text{'}}{M}^{\text{'}})$

$$ answer$3=$ true