input: 
  def create_people_dict(people_list: List[str]) -> dict:
      """
      Convert a list of people with their ages into a dictionary where the names are keys and the ages are values.
  
      >>> create_people_dict(['John (20)', 'Jane (40)', 'Alex (18)', 'Peter (45)'])
      {'John': 20, 'Jane': 40, 'Alex': 18, 'Peter': 45}
  
      """
  
output:     people_dict = {}
      for person in people_list:
          name, age = person.split(' (')
          age = int(age.rstrip(')'))
          people_dict[name] = age
      return people_dict