#what is the output of the following code
sum=0
for i in range(1,6,2):
	for j in range(3):
		sum=sum+j

print(sum)
#total number of iterations: 3*3 = 9 

#Solution:
#i= 1, 3, 5
#j= 0, 1, 2

#i=1
#j=0
#sum=0+0=0
#j=1
#sum=1
#j=2
#sum=3

#i=3
#j=0, 1, 2
#sum=3+0+1+2=6

#i=5
#j=0,1,2,
#sum=6+0+1+2=9