Nested loop

Question

n=int(input("enter the number of rows:"))
for i in range (1,n+1):
for j in range (1,n+1):
print(i, end='' ")
print()

Output:

enter the number of rows:3
1
1
1
2
2
2
3
3
3

Please anybody explain me the body part , how this output came?

Answer 1

Well it's easy i is printing j numbers of times. mean when i is 1 then j is printing 3 times i means three times 1 and after that i became 2 and j has printed 3 times i means 3 times 2 and so on....