Print list of lists in separate lines

Question

I have a list of lists:

a = [[1, 3, 4], [2, 5, 7]]

I want the output in the following format:

1 3 4
2 5 7

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Answer 1

a = [[1, 3, 4], [2, 5, 7]]
for i in a:
    for j in i:
        print(j, end = ' ')
    print('',sep='\n')

output:

1 3 4
2 5 7