input: Write a python function to create a 5x5 matrix of random integers between 1-10 and return the sum of each row.
  assert create_matrix_and_sum_rows([[1, 2, 3, 4, 5], [6, 7, 8, 9, 10], [1, 1, 1, 1, 1], [2, 2, 2, 2, 2], [3, 3, 3, 3, 3]]) == [15, 40, 5, 10, 15]
  assert create_matrix_and_sum_rows([[10, 10, 10, 10, 10], [5, 5, 5, 5, 5], [2, 2, 2, 2, 2], [1, 1, 1, 1, 1], [9, 9, 9, 9, 9]]) == [50, 25, 10, 5, 45]
  assert create_matrix_and_sum_rows([[1, 1, 1, 1, 1], [2, 2, 2, 2, 2], [3, 3, 3, 3, 3], [4, 4, 4, 4, 4], [5, 5, 5, 5, 5]]) == [5, 10, 15, 20, 25]
output: import random
  
  def create_matrix_and_sum_rows(matrix=None):
      if matrix is None:
          matrix = [[random.randint(1, 10) for _ in range(5)] for _ in range(5)]
      return [sum(row) for row in matrix]