code: def load_file(location):
      """Loads a boolean expression from a file."""
      with open(location) as f:
          s = f.read()
  
      return load(s)
  
imports: from sympy.core import Symbol
  from sympy.logic.boolalg import And, Or
  import re
label_desc: Use image node_id 2 for calling a global function with example usage: load_file(location) and returns: load