code: def test_parse_linear_solver():
      A, b = Matrix(3, 3, symbols("a:9")), Matrix(3, 2, symbols("b:6"))
      assert (
          _parse_linear_solver(Matrix.LUsolve) == Matrix.LUsolve
      )  # Test callable
      assert _parse_linear_solver("LU")(A, b) == Matrix.LUsolve(A, b)
  
file_path: sympy/sympy/physics/mechanics/tests/test_functions.py
imports: from sympy import sin, cos, tan, pi, symbols, Matrix, S, Function
  from sympy.physics.mechanics import Particle, Point, ReferenceFrame, RigidBody
  from sympy.physics.mechanics import angular_momentum, dynamicsymbols, kinetic_energy, linear_momentum, outer, potential_energy, msubs, find_dynamicsymbols, Lagrangian
  from sympy.physics.mechanics.functions import center_of_mass, _validate_coordinates, _parse_linear_solver
  from sympy.testing.pytest import raises, warns_deprecated_sympy
label_desc: Use image node_id 10 for calling a global function with example usage: test_parse_linear_solver() without return types