input: from typing import Dict
  
  
  def create_user_model(class_name: str, fields: Dict[str, str]) -> str:
      """ Create a Django model class definition string based on the given class name and fields.
      The fields dictionary contains the name of the field as the key and the type of the field 
      as the value. The function returns a string that represents the model class definition.
      >>> create_user_model('User', {'name': 'CharField(max_length=100)', 'address': 'CharField(max_length=100)', 'email': 'EmailField(max_length=100)'})
      'class User(models.Model): \\n    name = models.CharField(max_length=100)\\n    address = models.CharField(max_length=100)\\n    email = models.EmailField(max_length=100)'
      """
      model_str = f"class {class_name}(models.Model):"
      for field_name, field_type in fields.items():
          model_str += f"\n    {field_name} = models.{field_type}"
      return model_str
output:     model_str = f"class {class_name}(models.Model):"
      for field_name, field_type in fields.items():
          model_str += f"\n    {field_name} = models.{field_type}"
      return model_str