Answers

2016-01-19T23:42:34+05:30
Function is a named unit of a group of program statement I.e. it is a reprogram that acts on data and often return a value
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2016-01-20T00:41:43+05:30
The functions are group of statements that help us to execute a program
declaration function help us to define some parameters assign values to variables
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thanx bt can u explain me whts the difference between arguement and parameter