#this program demonstrates Chapter 6.4 material
#in this program user will first enter 1 or 2 to choose between processing even numbers
#and odd numbers
#then, user enters the size of the input and the appropriate functions are called
#for even numbers - we are using functions from file even.py and for odd numbers we are using 
#functions from file odd.py

#PAY ATTENTION: the names of the functions ARE THE SAME but since they belonged to different 
#libraries, and stored in different files there is no confusion

#To call the function from specific module(file), first write the name of the file
#then the name of the function after separation dot character

import even
import odd
def main():
	print("enter choice: 1 for evens 2 for odds ")
	choice = int(input(" "))
	if (choice == 1):
		size = int(input("enter size of the input "))
		if(size > 0):
			cEven, sEven = even.sumCount(size)
			if(cEven > 0):
				ave = even.average(cEven, sEven)
				print("there are ", cEven, "evens")
				print("their sum is ", sEven)
				print("their average is ", ave)
			else:
				print("no even numbers in the input ")
		else:
			print("size of the input is invalid ")


	elif(choice == 2):
		size = int(input("enter size of the input "))
                if(size > 0):
                        cOdd, sOdd = odd.sumCount(size)
                        if(cOdd > 0):
                                ave = odd.average(cOdd, sOdd)
                                print("there are ", cOdd, "odds")
                                print("their sum is ", sOdd)
                                print("their average is ", ave)
                        else:
                                print("no odd numbers in the input ")
                else:
                        print("size of the input is invalid ")

	else:
		print("Invalid choice ")


main()