Flow of Control — Question 27

Question 11m

Predict the output of the following code fragments:

for x in range(3):        
    for y in range(4):    
       print (x, y, x + y)

Answer

Output

0 0 0
0 1 1
0 2 2
0 3 3
1 0 1
1 1 2
1 2 3
1 3 4
2 0 2
2 1 3
2 2 4
2 3 5

Explanation

For each iteration of outer loop, the inner loop executes four times (with value of y ranging from 0 to 3) generating this output.