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See "
Main Menu
---------
(1) Say Hello
(2) About
(3) Exit
" Give nOption
Switch nOption
On 1 See "Enter your name : " Give name See "Hello " + name + nl
On 2 See "Sample : using switch statement" + nl
On 3 Bye
Other See "bad option..." + nl
Off
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switch Expression
on Expression
Block of statements
other
Block of statements
off