code: def aesara_simplify(fgraph):
      """Simplify a Aesara Computation.
  
      Parameters
      ==========
      fgraph : aesara.graph.fg.FunctionGraph
  
      Returns
      =======
      aesara.graph.fg.FunctionGraph
      """
      mode = aesara.compile.get_default_mode().excluding("fusion")
      fgraph = fgraph.clone()
      mode.optimizer.rewrite(fgraph)
      return fgraph
  
imports: import logging
  from sympy.external import import_module
  from sympy.testing.pytest import raises, SKIP
  from sympy.utilities.exceptions import ignore_warnings
  import sympy
  from sympy.core.singleton import S
  from sympy.abc import x, y, z, t
  from sympy.printing.aesaracode import aesara_code, dim_handling, aesara_function
label_desc: Use image node_id 4 for calling a global function with example usage: aesara_simplify(fgraph) and returns: fgraph