Spoken Tutorials - Bash Assignment 
				Funded by the National Mission on Education through ICT
				       Indian Institute of Technology Bombay,
					       http://spoken-tutorial.org
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More on functions

1) Write a program, 
   a. where the function accepts two arguments.
   b. The function should multiply the two arguments.
   c. Make 3 function calls with arguments - (1, 2), (2, 3) and (3, 4)