#Pratice Problem for Friday January 25
#Write a program that randomly 
#generates the list of 10 integers 
#between -100 and 100. The program
#finds the sum and average of the 
#even elements of the list
import random
N=10
def main():
	grades=[0]*N
	i=0
	sumEven=0
	countEven =0
	while(i<len(grades)):
		grades[i]=random.randint(-100,100)
		if(grades[i]%2 == 0):
			
			sumEven=sumEven+grades[i]
			countEven+=1
		i=i+1
	if(countEven>0):

		print(grades)
		print("sum of the even elements is ", sumEven)
		print("the average of the even elements is ",float(sumEven)/countEven)
	else:
		print("no evens ")
main()