#write a function ave_3 that has 3 parameters and function returns
#average of function parameters

#test your function

def ave_3(a,b,c):
	#a,b and c are called - FORMAL PARAMETERS
	#they are placeholders to write function definition

	#result=(a+b+c)/3
	#return result
	
	#we don't need variable result but instead 
	#calculations could be done in return statement

	return (a+b+c)/3

print(ave_3(5,7,9))