input: from typing import List
  
  def detect_list_expansion_error(code: str) -> bool:
      """ Determine if the provided Python function attempts to modify a list
      while iterating over it, which can lead to unexpected behavior.
      
      >>> detect_list_expansion_error("""def expand_list(list):
      ... for item in list:
      ...     list *= 2""")
      True
      
      >>> detect_list_expansion_error("""def expand_list(list):
      ... list_copy = list[:]  # make a copy of the list
      ... for item in list_copy:
      ...     list *= 2""")
      False
      """
output:     lines = code.split('\n')
      for i in range(len(lines)):
          if 'for' in lines[i] and 'in' in lines[i]:
              list_var = lines[i].split('in')[1].strip().split(':')[0].strip()
              for j in range(i + 1, len(lines)):
                  if list_var in lines[j] and ('*=' in lines[j] or '+=' in lines[j] or '-=' in lines[j] or '/=' in lines[j]):
                      return True
      return False