Sub Procedure
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Function Procedure
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- Sub procedure does not return a value.
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- Function procedure returns a value.
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- Sub procedure name does not accept data type identifier like %, $, !, &, #.
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- Function procedure name accepts the data type identifier like %, $, !, &, #.
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- Sub procedure is called using CALL statement.
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- Function procedures are called using by statement method or using as expression.
(using print statement).
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- Its name can not be used in an expression.
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- Its name can be used in an expression.
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