input: def detect_potential_errors_in_function(function_code: str) -> str:
      """Analyze the given Python function code to detect any potential errors.
      
      >>> detect_potential_errors_in_function(
      ...     'def expand_list(list):\n    for item in list:\n        list *= 2'
      ... )
      'The function is attempting to modify the list while iterating over it. This can lead to unexpected behavior and should be avoided. To fix the code, the list should be copied before the iteration takes place.'
      """
output:     import ast
  
      class ErrorDetector(ast.NodeVisitor):
          def __init__(self):
              self.errors = []
  
          def visit_For(self, node):
              if isinstance(node.iter, ast.Name) and node.iter.id == node.target.id:
                  self.errors.append(f"The function is attempting to modify the list while iterating over it. This can lead to unexpected behavior and should be avoided. To fix the code, the list should be copied before the iteration takes place.")
              self.generic_visit(node)
  
      tree = ast.parse(function_code)
      detector = ErrorDetector()
      detector.visit(tree)
  
      if detector.errors:
          return detector.errors[0]
      return ""