code: def test_entry():
      B = MatrixSlice(X, (a, b), (c, d))
      assert B[0, 0] == X[a, c]
      assert B[k, l] == X[a + k, c + l]
      raises(IndexError, lambda: MatrixSlice(X, 1, (2, 5))[1, 0])
  
      assert X[1::2, :][1, 3] == X[1 + 2, 3]
      assert X[:, 1::2][3, 1] == X[3, 1 + 2]
  
file_path: sympy/sympy/matrices/expressions/tests/test_slice.py
imports: from sympy.matrices.expressions.slice import MatrixSlice
  from sympy.matrices.expressions import MatrixSymbol
  from sympy.abc import a, b, c, d, k, l, m, n
  from sympy.testing.pytest import raises, XFAIL
  from sympy.functions.elementary.integers import floor
  from sympy.assumptions import assuming, Q
label_desc: Use image node_id 2 for calling a global function with example usage: test_entry() without return types