Check if a matrix is square? (Python)

Question

I want to test a 2x2 matrix of [[5,6],[7,8]] to see if it's a square. I run my code and I'm supposed to get True but I got False instead... def square(sq): for element in sq: if element: return False return True JavaScript questions and answers, JavaScript questions pdf, JavaScript question bank, JavaScript questions and answers pdf, mcq on JavaScript pdf, JavaScript questions and solutions, JavaScript mcq Test , Interview JavaScript questions, JavaScript Questions for Interview, JavaScript MCQ (Multiple Choice Questions)

Answer 1

If you want to check whether a matrix is NxN, you can use: def isSquare (m): return all (len (row) == len (m) for row in m) As you said in your comment: if the length of all rows equals the number of rows.