Question

How to find 2D list (array) (matrix) dimensions (rows, cols) in Python

Answer 1

matrix = [[11, 42, 53],
          [78, 50, 989]]

rows = len(matrix)
cols = len(matrix[0])

print("rows: ", rows)
print("cols: ", cols)

'''
run:

rows:  2
cols:  3

'''

 

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