#solution to problem 3 from the programming problems after chapetr 
#3 on page 114


#Second version - function has only one parameter

RATE = 0.8
def insurance(cost):
	
	#we will declare local variable res to hold the result
	#local variable res will be only availaible for use 
	#in this specific function

	res = cost * RATE
	print(res)
	
def main():
	#slight modification
	#calculate insurance cost for 3 different people

	#input
	cost1=int(input("enter first replacement cost "))
	cost2=int(input("enter second replacement cost "))
	cost3=int(input("enter third replacement cost "))

	#calling the function and printing results

	print("the insurance amount for first property is")
	insurance(cost1)
	print("the insurance amount for second property is")
        insurance(cost2)
 	print("the insurance amount for third property is")
        insurance(cost3)

	#the function insurance was called 3 times
	#actual parameters
	#first call: cost1
	#second call: cost2
	#third call: cost3	

main()